Good Molecules Hyaluronic Acid Serum — Efficacy 3.4/5.0, Safety 4.9/5.0 | DemythSkin
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[ DemythSkin Verdict ]
Good Molecules Hyaluronic Acid Serum
Good

Good Molecules Hyaluronic Acid Serum

SerumDehydration
Efficacy
Basic
3.4 / 5.0
Safety
Excellent
4.9 / 5.0
System Verdict
Solid basic hydrator but bare-bones formula lacks multi-weight HA or penetration enhancers for superior efficacy. Efficacy score of 3.6 reflects strong humectants like glycerin (position 3, high %) and 1% Sodium Hyaluronate (positions 1-4 per brand Q&A on Ulta), delivering reliable surface hydration without weak derivatives or pH issues; deducts for single HA form (not multi-molecular weights as claimed) and minimalist base missing occlusives or boosters found in top serums.
Active Ingredients Detected
A Tier: Good BasicsProven Results
GlycerinSodium Hyaluronate
B Tier: Supporting IngredientsPromising Ingredients
HydroxyacetophenoneCitric Acid
What Each Ingredient Does
Water
solvent
Propanediol
solvent humectant
Glycerin
humectant moisturizer
Sodium Hyaluronate
humectant skin-identical
Hydroxyacetophenone
preservative antioxidant
Sodium Citrate
buffering chelating
Citric Acid
buffering pH adjuster
Ethylhexylglycerin
preservative skin conditioner
Full Ingredient List (INCI)

Water, Propanediol, Glycerin, Sodium Hyaluronate, Hydroxyacetophenone, Sodium Citrate, Citric Acid, Ethylhexylglycerin

Frequently Asked

Is Good Molecules Hyaluronic Acid Serum worth it?

Good Molecules Hyaluronic Acid Serum scores 3.4 out of 5.0 for efficacy (Basic) and 4.9 out of 5.0 for safety (Excellent) on DemythSkin's independent ingredient analysis. Solid basic hydrator but bare-bones formula lacks multi-weight HA or penetration enhancers for superior efficacy. Efficacy score of 3.6 reflects strong humectants like glycerin (position 3, high %) and 1% Sodium Hyaluron

What are the key active ingredients in Good Molecules Hyaluronic Acid Serum?

Good Molecules Hyaluronic Acid Serum contains no gold-standard actives — its formula is built on supporting and base ingredients rather than clinically transformative actives.

Does Good Molecules Hyaluronic Acid Serum contain fragrance or known irritants?

DemythSkin's analysis found no flagged irritants in Good Molecules Hyaluronic Acid Serum. It scores 4.9 out of 5.0 for safety.

How is Good Molecules Hyaluronic Acid Serum scored?

DemythSkin grades every product on two independent axes: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are classified S through D against a database of over 3,000 compounds. No brand pays for a score.

Analyze on DemythSkin →

Analysis last updated: 2026-05-04. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.