
The Retinol 0.1 Cream — Reddit Reviews
by COSRX
Updated October 29, 2026
0.1% retinol starter cream for forehead-line texture; irritation still happens.
What the community says
A low-strength retinol cream that Redditors use as a cautious first step, usually every other night or a few times weekly. It suits beginners chasing gradual texture or line changes, but irritation, sun sensitivity, storage fuss can derail it.
What this means for you
Backed by 29 threads from r/30PlusSkinCare, r/koreanskincare and 4 more.
Read the threads ↓What people love
- 0.1% retinol; a cautious beginner starting point
- Cream texture with less irritation than many 0.3% options
- Long-term users report staying happy and repurchasing
Watch out for
- Irritation can require rest days and slow ramping
- Sun exposure can end badly; one user reported next-day sunburn despite SPF
- Fridge storage is inconvenient
Product details
Use caution
Concerns
Skin Type
Key Ingredients
What the science says vs. what Reddit says
Anti-Aging
Strong evidence
Retinol: 15 studies tested it directly. See all 23 studies
On Reddit: Within a month, forehead-line texture noticeably improves, while users report less irritation from encapsulated retinol. 5 mentions
What the studies found
- Most studies found retinol helped with signs of aging like wrinkles, uneven tone, and dark spots
- It often improved fine lines and wrinkles, including in sun-damaged and older skin
- It also improved uneven pigmentation, roughness, smoothness, and skin firmness in many studies
- Retinol sometimes worked about as well as other common anti-aging treatments, though not always better
- The most common side effects were redness, irritation, scaling, stinging, and dryness
Studied at 0.1–5%this product: 0.1%
Hyperpigmentation
Some evidence
Retinol: 5 studies tested it directly. See all 12 studies
What the studies found
- All 5 studies that tested it directly found it helped fade dark spots or patches
- Studies found it improved sun spots, melasma, and uneven skin tone on the face
- A large review of many clinical trials also found retinol improved pigmentation in sun-damaged facial skin
- The most common side effects were irritation, redness, dryness, scaling, stinging, burning, and itching
Studied at 0.15–10%this product: 0.1%
Acne
Some evidence
Retinol: 2 studies tested it directly. See all 5 studies
What the studies found
- Both studies that tested it directly found it helped acne
- It reduced pimples, blackheads and whiteheads in people with facial acne
- It also reduced red, sore spots when used on its own
- Another acne ingredient worked better overall in one study
- The side effect mentioned was peeling
Studied at 0.03–1%this product: 0.1%
Texture/Pores
Not proven yet
Few or mixed studies. This claim isn't established.
Retinol: 2 studies tested it directly. See all 3 studies
What the studies found
Dullness
Not proven yet
Few or mixed studies. This claim isn't established.
Retinol: 2 studies tested it directly. See all 2 studies
What the studies found
- The results were split, so there is no clear answer yet on retinol for dullness
- Some studies found retinol improved uneven tone and dark spots
- Some studies found retinol improved signs of sun damage linked with dull-looking skin
- The stronger retinol serum caused more irritation, and side effects were mostly mild
Studied at 0.3–1.1%this product: 0.1%
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 41 mentions across 29 threads
COSRX The Retinol 0.1 Cream on Reddit, in one place — 29 threads from r/30PlusSkinCare, r/koreanskincare and 4 more, summarized.
“Definitely need cosrx retinol, cosrx niacinamide, and cosrx hyaluronic acid intensive cream.”
Mentioned
“And a mineral spf in the morning.”
Mentioned
“Korean products work”
Mentioned
“I got an email from Amazon today too for a diff COSRX product I bought back in 2024....”
Mentioned
“COSRX Retinol 0.1% Cream, Anti-Aging Eye & Neck Cream”
Mentioned
“diff COSRX product”
Mentioned
“I've tried Cosrx 0.1 % retinol cream and it was great”
Mentioned
“but it has to be stored in the fridge and that was very inconvenient”
Mentioned
“I'm playing to try the Cosrx 0.5% retinol serum next.”
Mentioned
“COSRX - The Retinol 0.1 Cream - 20ml PM”
Positive
“Im now using for my routine since january these products but i cant see any type of improvement on my skin”
Positive
“Are you using SPF every single day? because without that, vitamin C + retinol won’t really fade spots”
Positive
“The retinol I started with was the COSRX 0.1%, so I kind of eased in slowly.”
Mentioned
“When I first introduced it, I was a lot more cautious.”
Mentioned
“Eventually I did start overlapping after seeing that combo was generally fine”
Mentioned
“Cosrx Retinol (Every other day)”
Positive
“recently started 0.1% retinol from corsx last night”
Positive
“Since I use a lot of actives”
Positive





