Estelle & Thild Super Bioadvanced Vitamin-A 1% Power Booster — Efficacy 4.4/5.0, Safety 4.4/5.0 | DemythSkin
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[ DemythSkin Verdict ]
Estelle & Thild Super Bioadvanced Vitamin-A 1% Power Booster
Estelle

Estelle & Thild Super Bioadvanced Vitamin-A 1% Power Booster

SerumAnti-Aging
Efficacy
Strong
4.4 / 5.0
Safety
Safe
4.4 / 5.0
System Verdict
This is a high-powered retinal serum with a surprisingly minimalist, hydration-focused base that can be very effective but demands respect and a careful routine. The efficacy score is driven almost entirely by retinal listed as the key active near the top-middle of a short INCI, suggesting a meaningful concentration in line with the 1% claim, supported by good humectants (glycerin, sodium hyaluronate, pentylene glycol) and soothing botanicals rather than barrier lipids or rich emollients, which means strong anti-aging and texture-smoothing potential but a higher risk of dryness or irritation if not buffered by a robust moisturizer.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
Retinal
A Tier: Good BasicsProven Results
GlycerinSodium HyaluronateLactobacillus FermentLactobacillusAloe Barbadensis (Aloe Vera) Leaf Juice Powder
C Tier: Marketing IdolsHype | Limited or Weak Data
Cocos Nucifera (Coconut) Fruit ExtractPunica Granatum (Pomegranate) Fruit Extract
What Each Ingredient Does
Aqua
Primary solvent
Malus Domestica Fruit Water
Botanical water base
Glycerin
Humectant for hydration
Pentylene Glycol
Humectant and solvent
Retinal
Vitamin A anti-aging active
Sodium Hyaluronate
Hyaluronic acid humectant
Lactobacillus Ferment
Postbiotic conditioning agent
Lactobacillus
Fermented extract component
Cocos Nucifera (Coconut) Fruit Extract
Botanical conditioning extract
Punica Granatum (Pomegranate) Fruit Extract
Antioxidant botanical extract
Aloe Barbadensis (Aloe Vera) Leaf Juice Powder
Soothing botanical extract
Sodium Gluconate
Chelating agent
Potassium Sorbate
Preservative
Sorbic Acid
Preservative
Full Ingredient List (INCI)

Aqua, Malus Domestica Fruit Water , Glycerin , Pentylene Glycol, Retinal, Sodium Hyaluronate, Lactobacillus Ferment, Lactobacillus, Cocos Nucifera (Coconut) Fruit Extract, Punica Granatum (Pomegranate) Fruit Extract , Aloe Barbadensis (Aloe Vera) Leaf Juice Powder , Sodium Gluconate, Potassium Sorbate, Sorbic Acid ingr

Frequently Asked

Is Estelle & Thild Super Bioadvanced Vitamin-A 1% Power Booster worth it?

Estelle & Thild Super Bioadvanced Vitamin-A 1% Power Booster scores 4.4 out of 5.0 for efficacy (Strong) and 4.4 out of 5.0 for safety (Safe) on DemythSkin's independent ingredient analysis. This is a high-powered retinal serum with a surprisingly minimalist, hydration-focused base that can be very effective but demands respect and a careful routine. The efficacy score is driven almost entirely by retinal li

What are the key active ingredients in Estelle & Thild Super Bioadvanced Vitamin-A 1% Power Booster?

Estelle & Thild Super Bioadvanced Vitamin-A 1% Power Booster contains these gold-standard actives with strong clinical evidence: Retinal.

Does Estelle & Thild Super Bioadvanced Vitamin-A 1% Power Booster contain fragrance or known irritants?

DemythSkin's analysis found no flagged irritants in Estelle & Thild Super Bioadvanced Vitamin-A 1% Power Booster. It scores 4.4 out of 5.0 for safety.

How is Estelle & Thild Super Bioadvanced Vitamin-A 1% Power Booster 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: 2026-09-01. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.