Three nights a week for three months on dry skin: tingles briefly, cheeks smoother, sun spots a shade lighter, no smell. Wear SPF with it.
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From users, and from around the web with the source linked.
Redness from overuse calmed and came back after two weeks.
“I’m about 2 weeks out from overuse and redness. It calmed but then came back.”
No difference on acne scars but improved texture, tone, clarity and glow over years.
“Acne scars? 0 difference. Skin texture, tone, clear skin and glow? Yes.”
Fades redness around old scars far more than the indent itself.
“It fades the redness around my old scars way more than the actual indent itself, the texture stayed about the same for me”
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most new reviewsGentle enough for their very sensitive skin once or twice a week, unlike harsher exfoliants.
“I really like first aid beauty’s facial radiance pads,which have a combination of low percentage glycolic (2% I think) and lactic acid that doesn’t irritate my insanely sensitive skin.”
Exfoliates with Good Genes once a week, leaving it on 15–30 minutes then washing it off; left on, their face peels.
On very dry skin, Sunday Riley Good Genes keeps their skin clear and bright.
“I have very dry skin so I have to be careful with what I use. I really love Sunday Riley’s Good Genes — it keeps my skin clear and bright.”
Dabbed on milia for 10 minutes over three nights and they cleared; needs great care.
“I used the ordinary aha and BHA over about three nights, a tiny bit on them for 10 mins and that got rid.”
Didn't do enough for them; switched to peel pads.
“The TO peel just wasn’t cutting it for me, unfortunately.”
Remembers it stinging and burning their face badly.
“sitting on my bedroom floor, face stinging and burning like hell, convincing myself it was good for me”
Used it but noticed no visible results, and suspected their bottle might not be genuine.
“I dont think i noticed anything from TO peel either.”
Mixed with a toner it's incredible on their 51-year-old skin: no dryness, fresh skin and nearly invisible pores.
“I actually mix it with Paula's Choice SKIN PERFECTING 2% BHA Liquid Leave-On Exfoliant and it's incredible.”
They've used it for about 15 years, around 60 bottles, going through four a year.
“Sunday Riley Good Genes. Been using for 15 years ish. Probably on like my 60th bottle”
A hand-me-down bottle of Good Genes made their skin look amazing within a couple of days; it's pricey, and after buying it on and off for a while they eventually stopped noticing results.
“it was earth shattering how amazing my skin looked in just a couple days”
They love using The Ordinary red peel in the late afternoon before an evening event to help their skin look its best.
“I love to use the Ordinary red peel or Drunk Elephant babyfacial (similar) before an event.”
On a night off tret they layer Good Genes after a BHA and their skin loves the combination.
“I break from tret one night and use Paula's Choice 2% bha followed by Good Genes a few minutes later. My skin loves the combination!”
Built up from 3 to 8 minutes once a week without trouble.
“I use the ordinary peel, I started out at like 3 minutes (and am now at 8)and I only use it once a week”
Found Good Genes a bit heavy and sticky to layer, so only used it on bare skin, and is sticking with glycolic acid.
“I found it a bit heavy/sticky for it to be layered. I’ve only tried it on bare skin.”
Names Good Genes as a long-standing holy grail product that still is one.
“Used to be Sunday Riley lactic acid so good genes. And still is.”
Really likes it once or twice a week as a jump-start for clogged pores.
“The ordinary has a BHA AHA serum that you do once or maybe twice a week that I really like.”
Alternates Good Genes with tretinoin at night and finds it has really helped their overall brightness and texture.
“I alternate it with my tret at night and it's really helped with overall brightness and texture.”
Has used it off and on for ten years; it works wonders if built up slowly.
“but it does work. It works wonders and removing the outer dead layer of your skin leaving fresh younger newer regenerated skin”
Worked wonders on pores under a clay mask, but burned their skin the first time; build up tolerance slowly.
“First time I tried this over a decade ago I burned my entire top layer of skin off.”
Falling asleep with it on left red bumps all over their face.
“I accidentally fell asleep wearing the ordinary aha 30% peeling solution and my face has red bumps all over it.”