Retinol, retinal, retinoid: what the names actually mean
Every one of these is vitamin A at a different point on the same conversion ladder. Where a...
Notes on skin, formulation and ritual.
Slow reading on the science, the texture, and the small daily acts that compound into quiet radiance.
Niacinamide and retinol together
Niacinamide and retinol are sometimes described as a clash. They are closer to a partnership: retinol strains the...