Journal

Notes on skin, formulation and ritual.

Slow reading on the science, the texture, and the small daily acts that compound into quiet radiance.

July 30, 2026 · 4 min read

Alpha arbutin and niacinamide together

Alpha arbutin slows pigment production; niacinamide interferes with its delivery. Working two points on one pathway is why...

July 29, 2026 · 4 min read

How to use a niacinamide serum

Niacinamide is one of the most widely used ingredients in skincare and one of the most casually applied....

July 27, 2026 · 4 min read

Niacinamide and retinol together

Niacinamide and retinol are sometimes described as a clash. They are closer to a partnership: retinol strains the...

Letters from Cham

Receive our notes on skin, formulation and the slow pursuit of a quiet glow.