The OrdinaryserumpH Water-free (Anhydrous) • $9.80 (30ml)

The Ordinary Retinol 0.5% in Squalane

Water-free, highly stable solution containing 0.5% pure retinol suspended in biomimetic squalane to accelerate cell turnover with minimal desquamation.

Obstetric SafetyCommonly Paused

Contains actives (Retinoid (Vitamin A) (AVOID)) that are universally paused throughout pregnancy and lactation due to fetal safety considerations.

Always confirm with your OB-GYN.
Malassezia (Fungal Acne)✓ Fungal Acne Safe

Contains zero lipid esters or fatty acid chains that feed Malassezia yeast.

Safe for pityrosporum folliculitis? Yes
Viscosity Application OrderStep 5 of 7 • PM

Texture: Silky Anhydrous Lipid Solution. Apply strictly in order of thinnest water to thickest cream.

pH: Water-free (Anhydrous)
Formulation BalanceGentle & Hydrating

3 Actives • 5 Functional • 0 Watchlist

8 Total Ingredients

Layering Protocol: What NOT to Mix With This Bottle

Avoid Concurrent Application With:
  • ✕AHA / BHA Direct Acids
  • ✕Benzoyl Peroxide
  • ✕Pure L-Ascorbic Acid
Recommended Synergistic Pairings:
  • ✓Ceramide Creams
  • ✓Niacinamide
  • ✓Centella Asiatica
Want to test this bottle with another specific product on your shelf?Open Active Conflict Matrix→

Full INCI Ingredient Declaration

Decoded using Miko's pharmacological database (8 ingredients detected).

Zero Chemophobia • Evidence-Based
SqualaneBarrier & Lipid

100% saturated hydrocarbon mirror of natural skin squalene. Fungal-acne safe, lightweight, non-oxidizing, and biocompatible.

goodPore: 1/5
Caprylic/Capric TriglycerideBase & Solvent

Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.

neutralPore: 0/5
Jojoba Seed Oil (Wax Ester)(Simmondsia Chinensis (Jojoba) Seed Oil)Barrier & Lipid

Liquid wax ester chemically similar to human sebum. Softens rough stratum corneum without heavy occlusive suffocation.

goodPore: 2/5
Retinoid (Vitamin A)(Retinol)Active

Gold standard active for accelerating keratinocyte renewal, promoting dermal collagen I and III synthesis, and clearing follicular congestion.

goodPore: 0/5
Solanum Lycopersicum (Tomato) Fruit ExtractBase & Solvent

Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.

neutralPore: 0/5
Rosmarinus Officinalis (Rosemary) Leaf ExtractBase & Solvent

Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.

neutralPore: 0/5
Hydroxymethoxyphenyl DecanoneBase & Solvent

Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.

neutralPore: 0/5
BHTBase & Solvent

Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.

neutralPore: 0/5
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