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Why I Chose This Ingredient

This infusion is where the formula begins.

Rather than simply adding individual extracts, we infuse kola nut, rosemary, and peppermint directly into MCT oil — a highly stable, fast-absorbing medium-chain triglyceride oil derived from coconut. Infusion allows the active compounds from each botanical to be extracted into the carrier oil itself, so they are integrated into the formula at the most fundamental level rather than layered on top.

MCT oil was chosen as the infusion base because of its exceptional stability and its ability to carry bioactive compounds efficiently. It is lightweight, non-greasy, and well-suited to scalp application.

The rosemary, kola nut, and peppermint you see listed separately in this formula are present twice — once in this foundational infusion, and once again as additional additions. That is intentional. It reflects how central those three botanicals are to the formula's purpose.

Why I Chose This Ingredient

Squalane is not here to drive hair growth. I want to be upfront about that.

It is here because how an oil feels is directly related to whether you will actually use it consistently — and consistency is where so much of this lives. Squalane is one of the most elegant emollients I know of. It is lightweight, non-greasy, absorbs beautifully, and is structurally similar to the skin's own lipids.

For scalp application, this means it spreads evenly, does not sit heavy in the hair, and creates the right amount of slip for a comfortable scalp massage. It works in the background so everything else can do its job. Our squalane is olive-derived.

Why I Chose This Ingredient

Hemisqualane is squalane's lighter, more volatile counterpart — an ultra-elegant emollient that contributes to the non-greasy, fast-absorbing texture of this formula.

Like squalane, it is not here for hair growth. It is here because I spent a year thinking about what would make someone actually reach for this oil day after day. A meaningful part of that answer is texture. The oil needed to spread easily over the scalp, feel intentional, and disappear into the hair without leaving residue. Hemisqualane does exactly that.

Why I Chose This Ingredient

Abyssinian oil is one of the lightest oils in this formula — and that lightness is the point.

Pressed from the seeds of Crambe abyssinica, a plant native to the Ethiopian highlands, its unusual fatty acid profile (very high in erucic acid) gives it an exceptionally silky, fast-absorbing texture with almost no greasy residue. In a formula applied directly to the scalp, that kind of elegant skin feel matters enormously.

Its primary role here is textural — it is part of what makes this oil feel the way it does on application. It also contributes a natural shine to the hair shaft without coating it heavily.

Why I Chose This Ingredient

A lightweight emollient derived from coconut oil, formed from the medium-chain fatty acids caprylic and capric acid. It contributes to the fast-absorbing, non-greasy skin feel of this formula and helps the other ingredients spread evenly across the scalp.

This is an ingredient that works in the background. It does not have a dramatic story — it makes the formula feel the way it should feel when you apply it, and it helps every other ingredient do its job.

Why I Chose This Ingredient

A plant-derived, biodegradable alternative to silicones, derived from rapeseed (brassica) oil. It provides many of the conditioning and smoothing benefits associated with silicones — improved manageability, reduced frizz, a smooth feel along the hair shaft — without the environmental persistence concerns associated with traditional silicone ingredients.

Its role here is functional: it contributes to the slip that makes scalp massage comfortable and leaves hair feeling conditioned after application.

Why I Chose This Ingredient

Rosemary is one of the most well-studied botanicals for hair growth, and for good reason. In 2015, a randomized controlled trial compared rosemary oil directly to 2% minoxidil and found comparable results in hair count at six months. That study alone made rosemary a clear yes for me.

What I also appreciate is that rosemary's mechanism involves both DHT inhibition and improved scalp circulation — meaning it approaches the problem from more than one direction.

Rosemary appears in this formula in three forms, each serving a distinct purpose. The essential oil contributes its aromatic and active properties. The CO2 extract (supercritical carbon dioxide extraction — a premium method that operates without heat or solvents) captures a fuller spectrum of bioactive compounds, particularly carnosic acid and carnosol, two potent antioxidants not fully preserved in steam distillation. The rosemary antioxidant (ROE) is a natural preservative that protects the entire oil blend from oxidative rancidity. Three forms, three purposes.

Panahi Y, et al. Rosemary oil vs minoxidil 2% for the treatment of androgenetic alopecia: a randomized comparative trial. Skinmed. 2015. Read on PubMed →

Murata K, et al. Promotion of hair growth by Rosmarinus officinalis leaf extract. Phytotherapy Research. 2013. [Murine — mechanism study] Read on PubMed →

Why I Chose This Ingredient

When I was building this formula, I kept asking whether I was approaching the problem from enough angles. Rosemary is compelling — but I also wanted to address the DHT pathway through a different mechanism.

Pumpkin seed oil has been studied for its potential to inhibit 5-alpha-reductase, the enzyme responsible for converting testosterone into DHT. In a 2014 randomized, double-blind, placebo-controlled trial in men with androgenetic alopecia, those taking pumpkin seed oil showed a 40% increase in hair count at 24 weeks compared to placebo.

Pumpkin seed oil also brings antioxidant content and a rich fatty acid profile alongside its role in the DHT pathway. It is not a single-purpose ingredient.

Cho YH, et al. Effect of pumpkin seed oil on hair growth in men with androgenetic alopecia: a randomized, double-blind, placebo-controlled trial. Evidence-Based Complementary and Alternative Medicine. 2014. Read on PubMed →

Why I Chose This Ingredient

Kola nut was probably the most personal decision in this entire formula.

I am Nigerian — Igbo, specifically — and kola nut has deep cultural significance in my tradition. It represents hospitality, respect, and connection. Growing up, it was present at every gathering that mattered. So when I discovered that kola nut is naturally rich in caffeine and theobromine, two compounds with genuinely interesting profiles for scalp health, I felt like this ingredient had found its place.

Caffeine applied topically has been studied for its potential to counter the testosterone-induced suppression of hair follicles and to stimulate keratinocyte proliferation. What I love about sourcing caffeine from kola nut is that it comes alongside theobromine — another methylxanthine with similar circulatory and cellular properties — as well as antioxidants. A more complete package than isolated caffeine.

This is the ingredient I am most proud of in the formula. Not just because of what it does, but because of what it represents.

Fischer TW, et al. Differential effects of caffeine on hair shaft elongation, matrix and outer root sheath keratinocyte proliferation. British Journal of Dermatology. 2007. Read on PubMed →

Fischer TW, Hipler UC, Elsner P. Effect of caffeine and testosterone on the proliferation of human hair follicles in vitro. International Journal of Dermatology. 2007. Read on PubMed →

Why I Chose This Ingredient

I'll be honest: when I first came across Sandalore in the research literature, my reaction was — wait, a fragrance molecule?

Sandalore is a synthetic sandalwood odorant. But what researchers discovered is that human hair follicles express an olfactory receptor called OR2AT4, and that Sandalore is an agonist for that receptor. Hair follicles appear to "smell" this molecule — and activating that receptor appears to signal them to extend the anagen (growth) phase.

A 2018 study published in Nature Communications demonstrated that Sandalore increased hair shaft production and prolonged the growth phase in human hair follicle organ culture. That is in vitro research — not a clinical trial — and I want to be transparent about that. But the mechanism is genuinely novel, the ingredient is well-characterized from a safety standpoint, and it earned a seat at the table.

This is the ingredient I love talking about most, because it surprised me. Not everything that belongs in a scalp oil is obvious.

Cheret J, et al. Olfactory receptor OR2AT4 regulates human hair growth. Nature Communications. 2018. Read on PubMed →

Why I Chose This Ingredient

Saw palmetto is well-established as a DHT inhibitor — it blocks 5-alpha-reductase from converting testosterone into the dihydrotestosterone (DHT) that miniaturizes hair follicles over time. Multiple studies support its use for androgenetic hair thinning.

This formula uses a CO2 extract specifically. Supercritical carbon dioxide extraction is a premium method that operates without heat or harsh solvents, preserving a fuller profile of saw palmetto's active compounds — particularly the fatty acids and phytosterols responsible for its 5-alpha-reductase inhibitory activity. A cleaner, more complete form of the ingredient.

Prager N, et al. A randomized, double-blind, placebo-controlled trial to determine the effectiveness of botanically derived inhibitors of 5-alpha-reductase in the treatment of androgenetic alopecia. Journal of Alternative and Complementary Medicine. 2002. [Human RCT] Read on PubMed →

Rossi A, et al. Comparative effectiveness of finasteride vs Serenoa repens in male androgenetic alopecia: a two-year study. International Journal of Immunopathology and Pharmacology. 2012. Read on PubMed →

Why I Chose This Ingredient

Peppermint's role in this formula is circulatory, and the research behind it is more compelling than most people expect.

A 2014 study published in Toxicological Research compared peppermint oil to minoxidil, saline, and jojoba oil in an animal hair growth model. Peppermint oil produced the greatest increase in follicle number and depth — outperforming minoxidil in several measurements. The proposed mechanism is vasodilation: peppermint increases local blood flow to the area of application, creating a more favorable environment for follicle activity.

This is animal research, not a human clinical trial — that distinction matters. But the mechanism is biologically plausible, the ingredient is well-tolerated, and the cooling sensation it creates during scalp massage makes the daily ritual something people actually look forward to.

Oh JY, et al. Peppermint oil promotes hair growth without toxic signs. Toxicological Research. 2014. [Animal study] Read on PubMed →

Why I Chose This Ingredient

Tocopheryl nicotinate is a lesser-known ingredient, and I like it for that reason.

It is a compound formed from vitamin E (tocopherol) and niacin (nicotinic acid). Niacin and its derivatives have a well-documented vasodilatory effect — they widen small blood vessels, which supports improved local circulation. Applied to the scalp, better microcirculation means improved delivery of oxygen and nutrients to the follicle environment.

It also brings the antioxidant activity associated with vitamin E, helping protect the scalp from oxidative stress. A quiet, multitasking ingredient — exactly the kind I like building into a formula.

Why I Chose This Ingredient

Black cumin seed oil has one of the most compelling profiles of any botanical oil I came across during formulation — and it has been used medicinally for thousands of years across African, Middle Eastern, and South Asian traditions.

Its key active compound is thymoquinone, which has been extensively studied for its anti-inflammatory, antimicrobial, and antioxidant properties. From a scalp health standpoint, this is relevant across multiple conditions: inflammatory scalp disorders, microbiome imbalance, and follicle health under oxidative stress.

There is also emerging clinical research on Nigella sativa and hair loss — including a study comparing it to betamethasone (a corticosteroid) in alopecia areata with meaningful results. More research is needed, but the anti-inflammatory and antimicrobial foundation alone justifies its inclusion here.

Alsantali A. Alopecia areata: a new treatment plan. Clinical, Cosmetic and Investigational Dermatology. 2011. [Human clinical study] Read on PubMed →

Why I Chose This Ingredient

Horsetail is one of the richest plant sources of bioavailable silica — specifically orthosilicic acid — and silica has a documented relationship with hair structure, strength, and thickness.

Research on silicon supplementation has shown meaningful improvements in hair diameter and tensile strength, with the proposed mechanism being silicon's role in collagen synthesis and its incorporation into the hair shaft itself. The "OS" designation refers to an oil-soluble version, necessary for compatibility with an oil-based formula.

I included horsetail to address hair quality — not just follicle activity. Silica's structural contribution to the hair shaft is one of the more underappreciated areas in hair care research.

Barel A, et al. Effect of oral intake of choline-stabilized orthosilicic acid on skin, nails and hair in women with photodamaged skin. Archives of Dermatological Research. 2005. Read on PubMed →

Why I Chose This Ingredient

Tocopherol — vitamin E — serves two roles in this formula simultaneously: it is an antioxidant for the formula itself, and an antioxidant for the scalp.

As a formulation antioxidant, it protects the oils in this blend from oxidative degradation — critical when formulating with this many active plant oils. As a topical ingredient, it helps reduce oxidative stress at the skin level, which is associated with follicle aging and inflammatory scalp conditions.

Research on the broader vitamin E family — including tocotrienol, a related form — has demonstrated meaningful improvements in hair growth in human volunteers, with oxidative stress reduction proposed as a key mechanism.

Beoy LA, Johar WJ, Yap SK. Effects of tocotrienol supplementation on hair growth in human volunteers. Tropical Life Sciences Research. 2010. [Human RCT — tocotrienol, a vitamin E family member] Read on PubMed →

Why I Chose This Ingredient

Castor oil is one of the most used oils in traditional hair care, and it earns that reputation through its unusual composition. It is exceptionally rich in ricinoleic acid — a hydroxyl fatty acid that makes up roughly 90% of its content and gives castor oil its distinctive thick texture and documented anti-inflammatory properties.

I want to be honest about the hair growth claims that circulate around castor oil: the evidence base is mostly traditional and anecdotal, not clinical. But as a scalp conditioning and anti-inflammatory ingredient, it has a clear and legitimate role in this formula.

Vieira C, et al. Effect of ricinoleic acid in acute and subchronic experimental models of inflammation. Mediators of Inflammation. 2000. [Animal/experimental study] Read on PubMed →

Why I Chose This Ingredient

Bhringraj has been used in Ayurvedic medicine for centuries — specifically for scalp and hair health. That kind of sustained traditional use matters to me. It does not mean every traditional remedy is scientifically validated, but it does mean something has held the attention of generations of practitioners, and I think that deserves respect.

Research on Eclipta prostrata extracts has shown hair growth promoting activity in preclinical models, with some studies noting effects on follicle regression and anagen phase extension. I hold this evidence appropriately — it is not at the level of the rosemary research. But it is not nothing either.

I included bhringraj because I wanted this formula to honor traditions that have shaped hair care for generations alongside the modern research that continues to evaluate them. Those two things are not in conflict. They are part of the same ongoing conversation.

Datta K, et al. Eclipta alba extract with potential for hair growth promoting activity. Journal of Ethnopharmacology. 2009. Read on PubMed →

Why I Chose This Ingredient

Amla — Indian gooseberry — is one of the most foundational ingredients in Ayurvedic hair care, and its chemistry gives us a useful starting point for understanding why it has been used for so long. It is exceptionally rich in vitamin C, ellagic acid, and other antioxidants.

From a scalp health perspective, antioxidants matter because oxidative stress is one of the factors that can contribute to follicle aging and inflammation over time. Amla also has documented anti-inflammatory properties, making it a natural complement to the other ingredients in this formula that address scalp inflammation.

The clinical research on amla specifically for hair growth is still maturing, and I want to be honest about that. But its antioxidant profile is well-characterized, its traditional history is deep, and it belongs in a formula built around supporting a healthy scalp environment for the long term.

Why I Chose This Ingredient

Fenugreek is another Ayurvedic staple with a long history in traditional hair care. What makes it interesting from a formulation standpoint is its composition: fenugreek is rich in protein, nicotinic acid, and compounds that have shown some 5-alpha-reductase inhibitory activity — the same enzyme pathway that pumpkin seed oil approaches.

The clinical evidence for fenugreek specifically for hair is still developing, and I want to be clear about that. But the combination of its traditional use, its nutritive profile, and its potential role in the DHT pathway made it a meaningful addition to a formula designed to approach scalp health from multiple directions at once.

Why I Chose This Ingredient

Sesame oil has been used in Ayurvedic scalp care for thousands of years — it is arguably the original head massage oil — and its composition helps explain why it has endured. It is rich in oleic and linoleic acids, and contains sesamin and sesamol, two lignans with well-documented antioxidant and anti-inflammatory activity.

Sesame oil also has natural mild UV-absorbing properties and has shown antimicrobial activity in research. It integrates naturally into the Ayurvedic dimension of this formula and pairs well with the massage ritual that the oil is designed around.

Why I Chose This Ingredient

Jojoba is technically not an oil — it is a liquid wax. And that distinction matters.

Because jojoba's molecular structure closely resembles human sebum, the scalp's own natural oil, it integrates with the scalp's lipid layer in a way that most oils do not. It is non-comedogenic, meaning it will not clog follicles, and it is exceptionally stable — jojoba does not go rancid the way most plant oils do.

For scalp application specifically, jojoba helps restore the lipid barrier, can help regulate sebum production over time, and provides lasting moisture without heaviness.

Why I Chose This Ingredient

Argan oil is pressed from the kernels of the argan tree native to Morocco, where it has been used in hair care for centuries. Its composition tells you why: rich in oleic acid, linoleic acid, and tocopherols (vitamin E), giving it both moisturizing and antioxidant properties in a single ingredient.

Research has confirmed what traditional use has long suggested — argan oil helps reduce frizz, improve hair elasticity, and protect the hair against oxidative damage. I included it for its antioxidant contribution and its ability to leave hair feeling smooth and conditioned without greasiness.

Why I Chose This Ingredient

Sweet almond oil is one of the foundational oils in cosmetic formulation. It is rich in oleic acid, linoleic acid, and vitamin E, giving it both moisturizing and antioxidant properties in a well-tolerated, light-textured package.

For scalp application, it softens and conditions without clogging follicles, and its vitamin E content adds to the formula's overall antioxidant system. It is not a dramatic ingredient. It is a dependable one.

Why I Chose This Ingredient

Kalahari melon seed oil is pressed from the seeds of the wild melon that grows across the Kalahari Desert in Southern Africa — a region with extreme conditions that produces ingredients adapted to survive heat, dryness, and oxidative stress.

The oil is exceptionally light, rich in linoleic acid, and absorbs quickly without residue. Its high linoleic acid content is particularly relevant for scalp health: linoleic acid is an essential fatty acid that plays an important role in maintaining the skin barrier and reducing transepidermal water loss. It also has an excellent sustainability profile.

Why I Chose This Ingredient

Pressed from unroasted coffee beans, green coffee bean oil preserves a much higher concentration of chlorogenic acids — potent polyphenols with strong antioxidant activity. It is also rich in linoleic acid and ferulic acid. The unroasted form is meaningfully different from what you would find in a cup of coffee — far more of the beneficial compounds remain intact.

Coffee appears in this formula in three forms (green bean oil, roasted bean oil, and blossom extract), each bringing a different antioxidant and sensory profile. Together they reflect a deeper engagement with the coffee plant as a whole, and complement the caffeine contribution from kola nut.

Why I Chose This Ingredient

The same bean as the green coffee oil — after roasting. The roasting process develops a different aromatic profile and a distinct set of compounds, including melanoidins and roast-derived antioxidants that complement the green coffee bean oil's profile rather than duplicating it.

Where green coffee bean oil leads with chlorogenic acids, roasted coffee bean oil brings its own complementary antioxidant character and contributes to the formula's sensory depth. Two forms of the same plant, working together.

Why I Chose This Ingredient

Derived from the flowers of the coffee plant — an ingredient far less common than the bean but equally intentional. Coffee blossoms contain polyphenols with soothing, antioxidant properties.

Including it extends the coffee botanical into a part of the plant that is rarely used. It is part of a deliberate effort to engage with the coffee plant more fully — root to blossom — rather than simply reaching for the most obvious extract.

Why I Chose This Ingredient

The cooling sensation in this formula is intentional and layered. CoCool is a proprietary blend of two cooling agents: menthol, which creates the immediate, recognizable cooling response by activating TRPM8 cold receptors in the skin, and menthyl lactate, a milder, slower-releasing cooling agent that extends the sensation over time.

The result is a cooling experience that does not simply peak and disappear — it stays with you through the scalp massage session. Combined with WS-10 and peppermint oil, the three form a cooling system that evolves across your four minutes rather than fading after the first one.

Why I Chose This Ingredient

WS-10 adds a clean, sustained cooling note that differs in character from menthol — often described as cooler without the sharp initial intensity. Together with CoCool and peppermint, it creates a cooling profile that evolves across the session rather than spiking at the beginning.

The cooling complex in this formula was designed to last through the full four-minute scalp massage protocol. A practice you look forward to is a practice you will do consistently — and that consistency is where the results live.

Why I Chose This Ingredient

Our custom fragrance — a warm, botanical scent developed specifically for this formula. It complements the natural aromatic profile of the peppermint, rosemary, and botanical oils in the blend, and makes the daily scalp ritual feel as intentional as the results it supports.