Product record / Serums, retinaldehyde
SerumGeek & Gorgeous A-Game 10
- $19.90
- retail price
- 0.1%
- retinaldehyde
- $0.66
- per mL
- Data source
- Concentration disclosed in product name 0.1% retinaldehyde (Retinal in INCI, INCIDecoder-verified); ASIN+price PA-API-verified 2026-06-14.
- Best for
- Anti-aging & firmness
- How it feels
- Lightweight, fast-absorbing serum
- Value
- $19.90 for 30 mL · $0.66/mL
Bottom line The cult budget retinal — a disclosed 0.1% in a famously gentle base, under $20.
Editorial verdict / Social intelligence
The cult budget retinal — a disclosed 0.1% in a famously gentle base, under $20. 1
- Beauty benefit
- Geek & Gorgeous A-Game pairs 0.1% retinaldehyde — the most potent OTC retinoid form — with a deliberately gentle, fragrance-free base (allantoin, panthenol, cloudberry oil), making it the cult-favorite entry point into retinal for under $20.
- Does it work
- Yes. A-Game discloses 0.1% retinal — the concentration most directly studied in head-to-head work — in a soothing formula built for tolerability, which is why it has a cult following among beginners stepping up from retinol. Caveats: even at 0.1%, mild retinization can occur; retinal is inherently unstable so packaging and freshness matter; pregnancy avoidance applies. See the verified data below →
Consensus strength
Moderate0.1% is the retinal concentration most directly evaluated in comparative studies; A-Game's gentle, transparent formulation makes it a widely recommended first retinal. Comparative long-term retinal-vs-retinol RCT data remains limited.
01 / The key active
retinaldehyde at 0.1%
This product discloses 0.1% retinaldehyde — concentration disclosed in product name.
Concentration disclosed in product name. 0.1% retinaldehyde (Retinal in INCI, INCIDecoder-verified); ASIN+price PA-API-verified 2026-06-14.
Other products with retinaldehyde:
02 / The full ingredient list
Every ingredient, in label order
Exactly as printed, each token matched to the EU CosIng register and flagged where a CIR safety assessment exists. Highlighted rows are the key actives.
| # | Ingredient, as printed | CosIng functions | CIR |
|---|---|---|---|
| 01 | Aqua |
| — |
| 02 | Caprylic/Capric Triglyceride |
| ✓ reviewed |
| 03 | Oleyl Erucate |
| ✓ reviewed |
| 04 | Glycerin |
| ✓ reviewed |
| 05 | Triheptanoin |
| ✓ reviewed |
| 06 | Cyclodextrin |
| ✓ reviewed |
| 07 | Cetearyl Olivate |
| ✓ reviewed |
| 08 | Sorbitan Olivate |
| ✓ reviewed |
| 09 | Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer |
| ✓ reviewed |
| 10 | Biosaccharide Gum-1 |
| ✓ reviewed |
| 11 | Allantoin |
| ✓ reviewed |
| 12 | Retinal |
| — |
| 13 | Rubus Chamaemorus Seed Oil |
| ✓ reviewed |
| 14 | Panthenol |
| ✓ reviewed |
| 15 | Citric Acid |
| ✓ reviewed |
| 16 | Tocopheryl Acetate |
| ✓ reviewed |
| 17 | Disodium EDTA |
| ✓ reviewed |
| 18 | Pentylene Glycol |
| ✓ reviewed |
| 19 | Ethylhexylglycerin |
| ✓ reviewed |
| 20 | Phenoxyethanol |
| ✓ reviewed |
20 ingredients as printed · 20 exact CosIng matches · source: concentration disclosed in product name
03 / Where to buy
Where to buy A-Game 10
Some links on this page earn us a commission. It never changes our analysis — the methodology is public.
04 / What people say
What buyers actually say
What works
- Common Most potent OTC retinoid, but at an approachable 0.1% — one step from active retinoic acid 12
While retinol takes two steps to convert, retinal only takes one — meaning it converts into active form more quickly. Editorial
- Common Notably gentle for a retinoid — better tolerated than prescription tretinoin 3
retinaldehyde was far better tolerated, causing far less irritation and dryness. Around 3 less irritation to be specific. Editorial
What to know
- Some Mild retinization is still possible for those new to retinoids 4
If your skin is new to retinal, you may experience some mild irritation, redness or dryness. Editorial
- Some Retinal is unstable — light/air exposure degrades it, so packaging and freshness matter 3
Retinal is notoriously unstable and quickly breaks down when exposed to light, air, or water. Editorial
What you'd only know from the reviews
-
0.1% is not a 'starter weakness' — it is the exact concentration head-to-head studies use, so A-Game sits at a clinically studied potency, not below it. 5
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05 / Questions
Frequently asked
- What's in Geek & Gorgeous A-Game 10?
- Geek & Gorgeous A-Game 10 lists 20 ingredients. Key active: 0.1% retinaldehyde. 0.1% retinaldehyde (Retinal in INCI, INCIDecoder-verified); ASIN+price PA-API-verified 2026-06-14. The full ingredient list, matched to EU CosIng, is on this page.
- Does Geek & Gorgeous A-Game 10 work?
- Yes. A-Game discloses 0.1% retinal — the concentration most directly studied in head-to-head work — in a soothing formula built for tolerability, which is why it has a cult following among beginners stepping up from retinol. Caveats: even at 0.1%, mild retinization can occur; retinal is inherently unstable so packaging and freshness matter; pregnancy avoidance applies.
- How much retinaldehyde is in Geek & Gorgeous A-Game 10?
- 0.1% retinaldehyde. 0.1% retinaldehyde (Retinal in INCI, INCIDecoder-verified); ASIN+price PA-API-verified 2026-06-14.
- Where can I buy Geek & Gorgeous A-Game 10?
- $19.90 on Amazon (price recorded as of the date shown). 0.1% retinaldehyde (Retinal in INCI, INCIDecoder-verified); ASIN+price PA-API-verified 2026-06-14.