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Hyaluronic Acid (Topical)

HA, Hyaluronan

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Meta Information

ID:hyaluronic-acid-topical
Name:Hyaluronic Acid
Schema Version:1.5

Alternate Names

  • HA
  • Hyaluronan

Active Compound

Hyaluronic Acid

Intervention Type

therapeutic_agent

Delivery

Route:
topical_skin
Scope:
  • local

Is Skin Health

True

Regulatory Status

  • us:cosmetic
  • eu:cosmetic
  • us:otc_drug

Indication

Focus:
healthspan
Description:
Targets skin hydration, elasticity, and wound healing to improve skin appearance and function as a component of healthy aging.

Typical Protocol

  • Apply a serum or cream containing 0.1% to 2% hyaluronic acid to the face and neck once or twice daily after cleansing.

Expected Cost Mean

Low Cost:
15
High Cost:
100
Cost Type:
monthly
Description:
Cost of over-the-counter serums or creams; not covered by insurance for cosmetic use.

Summary

Hyaluronic acid is a glycosaminoglycan naturally present in the skin that binds large amounts of water, acting as a powerful humectant. Topical application aims to replenish skin moisture, temporarily reducing the appearance of fine lines and improving skin texture. Its healthspan relevance is primarily cosmetic and supportive of skin barrier function, but it does not systemically alter core aging processes.

Purpose

A topical humectant for skin hydration and appearance.

Card Summary

A powerful humectant applied topically to hydrate skin, improve barrier function, and temporarily reduce the appearance of fine lines. Its impact on systemic healthspan is negligible.

Drug Class

Drugs In Class

Empty Array

Impact

Score:
2.5
Justification:
Primarily cosmetic, improving skin appearance with no impact on systemic aging processes.

Evidence

Grade:
A
Score:
8.5
Justification:
Multiple human RCTs confirm efficacy for skin hydration and wrinkle appearance reduction.

Safety

Score:
1
Justification:
Extremely well-tolerated with a very low risk of irritation or allergic reaction.

Flags

  • Allergic reactions are rare but possible.
  • Efficacy depends on molecular weight; a mix of weights is often considered optimal.
  • In very dry environments, it can draw moisture from deeper skin layers if not sealed with an occlusive moisturizer.

Verdict

Effective for skin hydration and appearance, but not a systemic anti-aging intervention.

Qualifier

route: Topical, scope: local, focused on healthspan

Created

2026-05-05T22:14:47.428605Z

Ai Model

Gemini 2.5 Pro (High)