Hyaluronic Acid
A genuinely excellent humectant that outperforms its anti-aging marketing — essential for hydration, less essential if you're in a dry climate and skip the moisturizer.
Strong Qualified
Concern 05 / Browse by concern
Hydration
Moisture retention and barrier support — the humectants that pull water into skin and the lipids that keep it there, with what the evidence actually shows for each.
4 verified entries · 2 products · 2 ingredients
A / The actives
Ingredients for hydration
What the evidence says each active actually does — every claim sourced.
B / The formulas
Products for hydration
Ordered by consensus strength. Actives priced per gram so value is comparable.
The Ordinary Hyaluronic Acid 2% + B5 Hydrating Serum with Ceramides - Hydrating Serum 1.0 oz
The $9 serum that works beautifully if you know the damp-skin rule — and notoriously backfires when you don't.
Strong Qualified
Neutrogena Hydro Boost Water Gel - 1.7 oz
The drugstore moisturizer 75,000 Amazon reviewers can't quit — but fragrance and a few borderline ingredients mean it's not universally safe.
Strong Qualified
Shop for hydration
Buy The Ordinary on Amazon $9.20 Top pick · affiliate link
Buy NOW Solutions on Amazon $4.30 Top pick · affiliate link
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