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Rebuilds internal hair structure for stronger, thicker strands
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Batana Hair Mask - GrosstyDelivered together every 30 days on subscription · pause or cancel any time · 28-day pledge on the set
Batana Oil – 100% pure, cold-pressed oil from Honduras; known to nourish the scalp and help promote visibly thicker, fuller hair
Together, these ingredients deliver both surface-level smoothness and deep internal repair—resulting in thicker-feeling, visibly healthier hair over time.
Oil from the nut of the American palm, used by the Miskito people of Honduras.
Why it's here: Traditionally used to nourish hair and scalp.
More about batana oil
Root of a Chinese herbal plant.
Why it's here: Traditionally used in Chinese practice for skin and scalp.
More about sophora flavescens
Plant compounds from the peel and pith of oranges and lemons.
Why it's here: Flavonoid antioxidants often paired with vitamin C.
More about citrus bioflavonoids
Oil from the seeds of the evening primrose flower, rich in GLA.
Why it's here: Traditionally used by women for comfort through the monthly cycle.
More about evening primrose oil
Flowers of the chrysanthemum.
Why it's here: Traditionally used in Asian practice for skin and scalp.
More about chrysanthemum
Oil pressed from sweet almonds.
Why it's here: A light, nourishing oil for hair and skin.
More about sweet almond oil| Ingredient | Amount |
|---|---|
| Water | — |
| Cetearyl Alcohol | — |
| Bis(3-Aminopropyl)Polydimethylsiloxane | — |
| Steareth-20 | — |
| Glycerin | — |
| Batana Oil | — |
| Cocodimonium Hydroxypropyl Silk Amino Acids | — |
| Phenoxyethanol | — |
| Parfum | — |
| Hydroxyethyl Cellulose | — |
| Sophora Flavescens Root Extract | — |
| Citrus Reticulata (Tangerine) Peel Extract | — |
| Oenothera Biennis Oil | — |
| Chrysanthemum Indicum Flower Extract | — |
| Prunus Amygdalus Dulcis Oil | — |
| Other ingredients: None listed beyond the formulation above. | |
2 findings behind this formula. Hover a card for the detail and the source.
Randomised, double-blind, placebo-controlled 6-month trial in people with androgenetic alopecia: alopecia scores improved significantly in the extract lotion group (P < 0.01). Lab tests also showed the extract stimulated hair keratinocytes and hair shaft growth.
Clinical study of a glycerol-rich (10%) leave-on scalp lotion applied three times a week for 8 weeks. Expert grading showed significantly less dandruff, with better scalp hydration and water-barrier function lasting up to a week after stopping.
Batana Hair Mask – Grossty is ideal for:
• Anyone experiencing breakage, dryness, or thinning strands
• Colour-treated, relaxed or heat-damaged hair
• Curly, coily or textured hair needing structural support
• Hair in need of volume, elasticity and softness
Use 1–2 times per week as a replacement for your regular conditioner.
For external use only. This is a cosmetic product and not intended to treat or prevent any medical condition. Results vary by individual. Avoid eye contact and patch test before first use.
Grossty source raw batana oil from Honduras and keep it cold-pressed and unrefined, the way it has been used for generations.
