Topical Hyaluronic Acid
A water magnet for skin. Pulls and holds moisture in the upper layers, giving immediate plumping and a softer look. Pairs with everything.
Strong for skin hydration, smoothness, fine line softening (via hydration only — not a remodeling effect). Effects: immediate to weeks.
Topical hyaluronic acid is a humectant — it pulls water from the environment (and from deeper skin layers) into the upper epidermis where it produces hydration and visible plumping. Multi-molecular-weight HA formulations work at different skin depths simultaneously: high MW sits on the surface for immediate softness; low MW penetrates for longer-lasting hydration. In dry environments, HA can paradoxically pull water out of skin — always apply to damp skin and seal with a moisturiser. Not a long-term skin-changing active like retinol — it's an everyday hydration tool.
- Form
- Multi-molecular-weight hyaluronic acid serum (The Ordinary HA 2% + B5, SkinCeuticals HA Intensifier, Vichy Mineral 89). HA + glycerin + ceramides moisturisers.
- Dose
- A few drops to damp face/neck.
- Timing
- AM and PM. Apply to damp skin. Seal with moisturiser.
- Schedule
- Daily.
- Side effects
- Almost none. Mild allergic reaction rare. Can feel sticky in humidity at high concentrations.
- Interactions
- Generally clean. Combines with everything.
- Contraindications
- None significant.
- Lab markers
- Skin hydration testing (research only). Visual tracking practical.
- Food sources
- Not food (oral hyaluronic acid is a separate supplement).
Pairs with
Niacinamide, vitamin C, retinoids (HA softens retinoid dryness). Ceramide-rich moisturisers (sealing layer).
within Topicals (skin / transdermal)