Biotin
Vitamin CG-friendly
Vitamin B7. Popular in 'growth' shampoos, but there's no good evidence that biotin applied to hair or scalp changes growth.
How our checker rates it
| Mode | Rating | Why |
|---|---|---|
| Curly Girl | OK | No concerns for this mode. |
| Relaxed hair | OK | No concerns for this mode. |
| Low porosity | OK | No concerns for this mode. |
| Protein-sensitive | OK | No concerns for this mode. |
Ratings assume it is listed near the top of the label. After the first preservative or fragrance (likely 1% or less) most cautions soften.
What vitamin ingredients do
Vitamins and provitamins such as panthenol (B5) that add moisture and softness. Panthenol is not a protein.
Also listed as
- vitamin b7
- vitamin h
Similar ingredients
Sources
Last data update:
- Cosmetic Ingredient Review (CIR). Ingredient safety assessments. Safety assessments for cosmetic ingredients cited on ingredient pages.
How we research and update pages: editorial policy. Spotted an error? Tell us.