Current comparisons
Each comparison covers four products within one category. The specifications and any prices are dated snapshots from manufacturer sources; formulas, sizes, availability, and prices can change.
Dermalogica
Four moisturizers compared using manufacturer-published information.
Moisturizer comparison
Yon-Ka Paris
Four 50 ml facial moisturizers compared using manufacturer-published information.
Moisturizer comparison
Jane Iredale
Foundations and a skin tint compared using manufacturer-published information.
Complexion comparisonFor names and products from the former Skin1 catalog, see the separately labeled historical references.
Featured partner
Tranquil Siam is featured separately from the product comparisons above.
Tranquil Siam
Founded in Thailand by Sutthida from Khon Kaen, Tranquil Siam brings authentic Thai herbal wellness to a global audience. Their products — herbal teas, traditional balms, and botanical supplements — are sourced directly from a Thai FDA-registered manufacturer, independently lab-verified as 100% steroid-free, and made from certified organic ingredients. Their flagship product, Tapee Tea, is a traditional blend of 15 organic Thai herbs trusted by over 5,000 customers in 50+ countries.
Thai Herbal Wellness