Source · study

Superior even skin tone and anti-ageing benefit of a combination of 4-hexylresorcinol and niacinamide

Primary source

Publisher:: International Journal of Cosmetic Science (Shariff R, et al.)
Source type:: Journal · study
Last checked:: 2026-11-10
URL:: https://doi.org/10.1111/ics.12759

Pages that cite it

Evidence: In a 12-week randomized, double-blind half-face study, a combination of 4-hexylresorcinol and niacinamide improved hyperpigmentation spots (L*), the appearance of fine lines and wrinkles, and skin firmness significantly more than niacinamide alone.