learn Keratin
- What role does keratin play in strengthening weak or thinning hair? Keratin strengthens hair by forming protective structures that prevent breakage and thinning.
- Is keratin in shampoos and conditioners actually absorbed by the hair, or does it just coat the surface? Keratin in shampoos and conditioners primarily coats the hair rather than being absorbed.
- 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 4 questions on Keratin →
