Scalp-first care
LCY tracks new data, methods and transparency signals in this area.
LCY TOPIC DESK · 2026
Hair Care
We examine ingredients, devices and care trends from the scalp to the hair fibre.
Reviewed by: Cosmetics Product & Evidence EditorUpdated: 26.08.2026
SOURCE CHECKEDCosmetics may support appearance; hair loss or scalp disease may require medical assessment.
A trend is not evidence.01
On our watchlist
We examine ingredients, devices and care trends from the scalp to the hair fibre.
Bond-supporting formulas
LCY tracks new data, methods and transparency signals in this area.
Heatless styling
LCY tracks new data, methods and transparency signals in this area.
02 · Source digest
What do the sources say?
Dermatology guidance distinguishes medical hair concerns, while hair-fibre studies examine cosmetic appearance and breakage.
American Academy of Dermatology — Tips for healthy hair
This source supplies safety, methodology or clinical context. Cosmetics may support appearance; hair loss or scalp disease may require medical assessment.
Dermatology guidance distinguishes medical hair concerns, while hair-fibre studies examine cosmetic appearance and breakage.
LCY separates trend reporting from evidence assessment and reviews methods, samples, limitations and conflicts together.
Open sourceU.S. FDA — Hair-dye regulation and safety
This source supplies safety, methodology or clinical context. Cosmetics may support appearance; hair loss or scalp disease may require medical assessment.
Dermatology guidance distinguishes medical hair concerns, while hair-fibre studies examine cosmetic appearance and breakage.
LCY separates trend reporting from evidence assessment and reviews methods, samples, limitations and conflicts together.
Open sourceHow do we read sources?
LCY separates trend reporting from evidence assessment and reviews methods, samples, limitations and conflicts together.