A+ High-Dose Retinoid Serum — Reddit Reviews
by Sunday Riley
Updated September 26, 2026
Retinoid serum for anti-aging; can sting and wreck sensitive skin.
What the community says
A retinoid serum people use in night routines for anti-aging, often buffered with moisturizer before and after. Works for some long-term users, but the burns-and-aggravation complaints are real, especially if your skin is already reactive.
What this means for you
What people love
- Retinol plus hydroxypinacolone retinoate in one serum
- Moisturizer-sandwich friendly
- Reported use for years without issues
Watch out for
Product details
Skin type data limited
Where to buy
Real Reddit threads — 7 mentions across 3 threads
Sunday Riley A+ High-Dose Retinoid Serum on Reddit, in one place — 3 threads from r/30PlusSkinCare, summarized.
“retinol (I use Sunday Riley A+)”
Positive
“That, SPF, retinol (I use Sunday Riley A+), lots of water”
Positive
“Every time I start falling off of my routine I’m like “why do I look old?”
Positive
“I’ve been using Sunday Riley A+ instead and thankfully haven’t had any issues.”
Mentioned
“I’m not sure what the trigger is for me but man, I know those burns hurt!”
Mentioned
“Retinol burns are no joke it's weird how one formula can completely wreck your skin while another perfectly fine”
Mentioned
“Try moisturizing first, then using pea size amount of Sunday Riley A+”
Mentioned
“then moisturize a second time”
Mentioned
“moisturizing twice with retinols helps make sure the skin doesn’t dry out”
Mentioned