Mia Seilern
RETINYL ACETATE
⚠️ Data is provided for informational purposes only. It may contain inaccuracies and should be independently verified. This is not medical advice. Consult a healthcare professional before making health decisions.

Description: RETINYL ACETATE — mild vitamin A derivative, anti-aging.

All Functions: mild vitamin A derivative, anti-aging

Quick Facts:

  • Category: active
  • Regulatory Note: Restricted in the EU

Proven Benefits At A Glance:

  • Retinyl acetate is a form of vitamin A that can penetrate into the outer layers of skin
  • When encapsulated in certain nanoparticles, it becomes more stable and stays in skin longer
  • It may support skin’s natural production of certain structural molecules called glycosaminoglycans
  • Early research suggests it could support wound healing in specific conditions, though results vary by formulation
  • It naturally accumulates in hair follicles when delivered via certain nanoparticle carriers
Safety: CautionResearch confidence: Good

Safety tier is a starting heuristic from regulatory status and comedogenic rating, not a dermatological verdict — see our Terms for the full disclaimer. Research confidence reflects how many real cited studies back this ingredient, not the strength of their findings.

🧪 RETINYL ACETATE

Chemical structure of RETINYL ACETATE

RETINYL ACETATE

CAS Number: 127-47-9

Also Known As:

Category: active

EC Number: 204-844-2

Korean Name: 레티닐아세테이트

Retinyl acetate

RETINYL ACETATE is an active ingredient used in skincare formulations.

mild vitamin A derivativeanti-aging

🌍 Regulatory Status

EU: RestrictedUS: No restriction on file

EU max concentration: (a) 0,05 % Retinol Equivalent (RE) (b) 0,3 % RE

EU conditions: For any cosmetic product containing Retinol, Retinyl Acetate or Retinyl Palmitate the following, labelling is obligatory: ‘Contains Vitamin A. Consider your daily intake before use’.

📊 Comedogenicity

No data yet
Not rated for this ingredient yet.

📚 Research & Evidence

PUBMED CITATIONS
5
Data sources: EU CosIng PubMed

🔬 The Science

Retinyl acetate is a provitamin A compound—meaning your skin can convert it into active vitamin A. Here’s what the research actually shows:

#1: Skin penetration and stability. When applied as a simple suspension, retinyl acetate can reach about 20 micrometers deep into the stratum corneum (the outermost dead skin layer) within 30 minutes (Spectrochim Acta A Mol Biomol Spectrosc, 2017). However, retinyl acetate is somewhat unstable in water and breaks down when exposed to UVA light. Researchers have developed nanoparticle carriers—tiny capsules made from polymers—that significantly improve its stability in these conditions. Interestingly, when encapsulated this way, retinyl acetate is absorbed more slowly by skin but then stays in skin tissue longer, with 100% retention observed after 24 hours (Int J Pharm, 2011).

Under a microscope, these nanoparticles appear to accumulate especially in hair follicles. #2: Effects on skin molecules. In lab studies using isolated skin cells from newborn mice, retinyl acetate triggered a dose-dependent increase in the production of sulfated glycosaminoglycans—complex sugars that are key structural components of skin (Connect Tissue Res, 1978). In dermal (deeper skin) cells, a specific concentration produced roughly a 50% increase in these molecules. This matters because glycosaminoglycans help maintain skin hydration and elasticity, though this research was conducted in isolated cells, not whole human skin. #3: Wound healing support. In rats with marginal vitamin A status (not severely deficient, but low), supplemental retinyl acetate feeding enhanced wound tensile strength—a measure of how strong healing tissue becomes—at 5 days post-surgery, though not at 14 days (J Nutr, 1982).

The effect was mild but statistically significant. Notably, this research involved oral feeding to rats with compromised vitamin A status, not topical skin application in humans, so its relevance to skincare is limited. Limitations: Most of these studies were conducted in cell cultures or animal models, not in living human skin. Only one study (Spectrochim Acta A Mol Biomol Spectrosc, 2017) directly measured retinyl acetate behavior in human skin, though it used spectroscopy rather than measuring visible cosmetic outcomes. No sources discuss anti-aging, wrinkle reduction, or other common skincare claims.

💧 Skin Type Compatibility

No data yet
Per-skin-type data isn’t curated for this ingredient yet.

⚠️ Don’t Combine With

No data yet
No known incompatibilities on file for this ingredient.

🧴 Products Containing RETINYL ACETATE

📄 Related Research

Matched by search — not necessarily verified support for every statement above.

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