Good Genes Lactic Acid Treatment — Reddit Reviews
by Sunday Riley
Updated August 19, 2026
Lactic acid serum smooths texture and dullness; pricey with irritation risk.
What the community says
A lactic acid exfoliant prized for smoothing skin texture and brightening dullness. Fans use it once or twice weekly, integrating carefully around retinoids and sensitive skin. Its cost and potential to irritate or disrupt the barrier make gradual introduction essential.
What this means for you
What people love
- Smooths rough texture effectively
- Brightens dull, tired-looking skin
- Gentle enough for sensitive skin users
Watch out for
- Expensive—cost deters long-term use
- Can cause irritation or flare-ups if overused
- Potentially disrupts skin barrier if layered improperly
Product details
Skin Type
Values
Product Traits
Key Ingredients
Where to buy
Real Reddit threads — 64 mentions across 30 threads
Sunday Riley Good Genes Lactic Acid Treatment on Reddit, in one place — 30 threads from r/AsianBeauty, r/koreanskincare and 6 more, summarized.
“Night Routine Toner Essence Sunday Riley Luna Sunday Riley Good Genes”
Mentioned
“Am I doing it all wrong??”
Mentioned
“Sunday Riley Good Genes”
Mentioned
“Sunday Rileys good genes- every night”
Positive
“I just ran out of the Sunday Riley’s good genes so I am starting a retinal”
Positive
“the nurse complimented me on my skin”
Positive
“The best thing I did for my skin was double cleansing, Sunday Riley good genes”
Positive
“Sunday Riley good genes (it’s worth it and the bottle lasts forever, even the sample)”
Positive
“I got a new sample of the Good genes from Ulta a few days ago”
Positive
“If you ARE seeking a exfoliant in particular, Sunday Riley Good Genes is a fabulous chemical exfoliant”
Mentioned
“(lactic acid so AHA)”
Mentioned
“Mine is sensitive too, I’ve tried so many options...”
Mentioned
“I think a lot of people (and I’ve been guilty of this too, had to try good genes) spend money they don’t have on skincare”
Mentioned
“I only do it when I haven’t been out to buy moisturizer or pick up my prescriptions.”
Mentioned
“spend money they don’t have on skincare and feel the need to scrounge every last bit out”
Mentioned
“It has made my skin 100% better - clearer, smoother, less red, more comfortable.”
Positive
“Good Genes transformed my skin completely.”
Positive
“I saw results right away, I used to wake up with a few new pimples every day and they just stopped coming.”
Positive
Dupes & Alternatives
Paula's Choice
Skin Perfecting 2% BHA Liquid Exfoliant
Better for Texture / Pores
6 shared traits
666 mentions
