Ingredient and price comparison

COSRX The Retinol 0.5 Oil vs Sunday Riley A+ High-Dose Retinoid Serum

COSRX The Retinol 0.5 Oil is none for silicones; Sunday Riley A+ High-Dose Retinoid Serum is listed. They also differ on volatile alcohol: none versus listed. Choose by the difference that matters to you; neither is scored as a generic winner.

COSRX The Retinol 0.5 Oil pack shotCOSRX

The Retinol 0.5 Oil

A retinoid product with 0.5% Retinol.

From $33.00 at W Cosmetics
Sunday Riley A+ High-Dose Retinoid Serum pack shotSunday Riley

A+ High-Dose Retinoid Serum

A retinoid product with Hydroxypinacolone Retinoate · part of the stated 6.5% retinoid + botanical blend, Encapsulated retinol · part of the stated 6.5% retinoid + botanical blend.

From $140.00 at MECCA

The differences that matter

CheckThe Retinol 0.5 OilA+ High-Dose Retinoid Serum
Siliconesnonelisted
Volatile alcoholnonelisted
Feellighterricher
DaytimeNot statedWear sunscreen
Packagingdark glass dropper bottlepump bottle
Retinoid form0.5% RetinolHydroxypinacolone Retinoate · part of the stated 6.5% retinoid + botanical blend, Encapsulated retinol · part of the stated 6.5% retinoid + botanical blend
Starting frequency2–3 nights a week, then every other night as toleratedTwo days on, two days off; then every other day; then daily
StorageAvoid high temperatures and direct sunlightNot stated
Price level$$$$$$$

Ingredient checks

CheckThe Retinol 0.5 OilA+ High-Dose Retinoid Serum
FragranceNone found by this checkNone found by this check
Volatile alcoholNone found by this checkAlcohol · 44th of 58
SiliconesNone found by this checkDimethicone +4 · 5th of 58
Petrolatum / mineral oilNone found by this checkNone found by this check

These checks describe the sourced ingredient lists; they are not safety or quality ratings.

Full ingredient lists

COSRX The Retinol 0.5 Oil

Squalane, Glycine Soja (Soybean) Oil, Di-C12-13 Alkyl Malate, Retinol (0.5%), Caprylic/Capric Triglyceride, BHT, Tocotrienols, Tocopherol, Elaeis Guineensis (Palm) Oil, Hydroxymethoxyphenyl Decanone

From wcosmetics.com.au.

Sunday Riley A+ High-Dose Retinoid Serum

Water/eau/aqua, dimethyl isosorbide, propanediol, triheptanoin, dimethicone, glycerin, pentylene glycol, cetyl peg/ppg-10/1 dimethicone, disiloxane, hexyldecanol, diheptyl succinate, propylene carbonate, phenyl trimethicone, ppg-24-glycereth-24, hydroxypinacolone retinoate, sodium acrylates copolymer, helianthus annuus (sunflower) seed oil, honey extract, opuntia ficus-indica (prickly pear) fruit extract, bisabolol, butyrospermum parkii (shea) butter, retinol, sodium hyaluronate crosspolymer, ubiquinone, zingiber officinale (ginger) extract, tocopherol, hydrogenated polyisobutene, lecithin, 1,2-hexanediol, 4-t-butylcyclohexanol, caprylyl glycol, phospholipids, polyglyceryl-10 stearate, sorbitol, cetylhydroxyproline palmitamide, polysilicone-11, benzoic acid, dehydroacetic acid, capryloyl glycerin/sebacic acid copolymer, sodium phytate, phenoxyethanol, glyceryl polyacrylate, alcohol, polysorbate 20, saccharomyces cerevisiae (yeast) extract, brassica campestris sterols, hydroxyphenyl propamidobenzoic acid, stearic acid, pvp, sodium benzoate, potassium phosphate, benzyl alcohol, decyl glucoside, algae extract, hexylene glycol, tocopherol, potassium sorbate

From mecca.com.