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#skincare chemistry

Every article tagged skincare chemistry, newest first.

product-science
Squalane vs squalene: why one oxidizes in 48 hours

Same molecule minus six double bonds. The difference shows up in 48 hours of air exposure. Why hydrogenated squalane won the cosmetic formulation war.

May 31, 2026 · Maya Chen
product-science
Copper peptides (GHK-Cu): what 4,000 genes actually do

GHK-Cu has the deepest research dossier in cosmetic peptide science. The data is real, the optimal dose is low, and the marketing rarely tells you the second half.

May 30, 2026 · Maya Chen