: Offers a mix of "prestige" and "mass" brands. You can find everything from the medical-grade SkinCeuticals C E Ferulic to affordable favorites like La Roche-Posay and Mad Hippie .
: A go-to for high-end and clinical brands like Drunk Elephant C-Firma Fresh and Ole Henriksen Banana Bright . Sephora is ideal for those who want to sample textures or consult with staff about their skin type. where to buy vitamin c serum for face
For medical-grade or highly unstable formulas, professional online retailers often have stricter quality control for storage. : Offers a mix of "prestige" and "mass" brands