https://materiaskin.com/blogs/field-notes 2026-09-16T19:07:19-04:00 weekly https://materiaskin.com/blogs/field-notes/what-is-an-anhydrous-serum-and-when-does-it-beat-a-water-based-one 2026-09-16T19:07:19-04:00 weekly https://cdn.shopify.com/s/files/1/0777/5761/2252/articles/anhydrous_serum_hero_2400x1600_db4d6437-a314-4e66-9672-b6b00d4b0191.jpg?v=1789600039 What is an anhydrous serum, and when does it beat a water-based one? Four clear water droplets beaded on a thin oil film across a matte limestone surface, with the film's edge visible as a thin line. https://materiaskin.com/blogs/field-notes/occlusives-emollients-and-humectants-which-does-a-compromised-barrier-need 2026-09-16T19:06:39-04:00 weekly https://cdn.shopify.com/s/files/1/0777/5761/2252/articles/barrier_moisturizers_hero_2400x1600_2b34426b-a9da-4ce1-80cf-6331351c74e1.jpg?v=1789599999 Occlusives, emollients, and humectants: which does a compromised barrier need? A thin clear oil spreading across a matte cement surface and filling a fine network of hairline cracks, with the cracks ahead of it still dry.