learn Keratin
- What role does keratin play in strengthening weak or thinning hair? Keratin is the protein hair is made of. Keratin products can make existing hair look smoother and break less, but they do not prevent thinning or hereditary hair loss.
- Are keratin treatments good for people with alopecia, or do they only improve the hair’s appearance? Keratin treatments improve hair appearance but do not address alopecia or stimulate growth.
- Is keratin in shampoos and conditioners actually absorbed by the hair, or does it just coat the surface? Keratin in shampoos mainly coats the hair rather than being absorbed.
- All 5 questions on Keratin →

