SkinTra Liquid Happiness Face & Eye Serum with Retinal 0.3% — Efficacy 4.2/5.0, Safety 4.2/5.0 | DemythSkin
++++
[ DemythSkin Verdict ]
SkinTra Liquid Happiness Face & Eye Serum with Retinal 0.3%
SkinTra

SkinTra Liquid Happiness Face & Eye Serum with Retinal 0.3%

SerumAnti-Aging
Efficacy
Strong
4.2 / 5.0
Safety
Mostly Safe
4.2 / 5.0
System Verdict
A lean, no-frills retinal serum that can deliver real anti-aging results, but 0.3% retinal makes it a potent irritation risk. The efficacy score is strong because retinal is a high-evidence retinoid and it is supported by a simple, elegant oil base that should help stability and spreadability; however, the formula is still only five ingredients, so there is no extra barrier-repair complexity, and the relatively high retinal load means tolerability may be the limiting factor rather than performance.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
Retinal
A Tier: Good BasicsProven Results
SqualaneTocopherol
B Tier: Supporting IngredientsPromising Ingredients
Isoamyl Laurate
What Each Ingredient Does
Squalane
emollient, barrier support
Citrullus Lanatus (Watermelon) Seed Oil
light emollient oil
Isoamyl Laurate
dry emollient
Retinal
retinoid active
Tocopherol
antioxidant
Full Ingredient List (INCI)

Squalane, Citrullus Lanatus (Watermelon) Seed Oil, Isoamyl Laurate, Retinal, Tocopherol

Frequently Asked

Is SkinTra Liquid Happiness Face & Eye Serum with Retinal 0.3% worth it?

SkinTra Liquid Happiness Face & Eye Serum with Retinal 0.3% scores 4.2 out of 5.0 for efficacy (Strong) and 4.2 out of 5.0 for safety (Mostly Safe) on DemythSkin's independent ingredient analysis. A lean, no-frills retinal serum that can deliver real anti-aging results, but 0.3% retinal makes it a potent irritation risk. The efficacy score is strong because retinal is a high-evidence retinoid and it is supported b

What are the key active ingredients in SkinTra Liquid Happiness Face & Eye Serum with Retinal 0.3%?

SkinTra Liquid Happiness Face & Eye Serum with Retinal 0.3% contains these gold-standard actives with strong clinical evidence: Retinal.

Does SkinTra Liquid Happiness Face & Eye Serum with Retinal 0.3% contain fragrance or known irritants?

DemythSkin's analysis found no flagged irritants in SkinTra Liquid Happiness Face & Eye Serum with Retinal 0.3%. It scores 4.2 out of 5.0 for safety.

How is SkinTra Liquid Happiness Face & Eye Serum with Retinal 0.3% 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: 2026-09-30. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.