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exfoliant
Sunday Riley

Good Genes Lactic Acid Treatment

Type
Exfoliant
Size
0.5 fl oz · 1 fl oz · 1.7 fl oz · 3.4 fl oz
Key ingredients
Lactic acid
Skin types
—
Fragrance
—

What users keep saying · from 55 reviews

evened skin tone19gentle10cleared breakouts7great value6broke me out5irritating4stinging4strong scent4

Exfoliates with Good Genes once a week, leaving it on 15–30 minutes then washing it off; left on, their face peels.

mixedirritating

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.”
positivecleared breakoutsevened skin tone

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”
positive

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”
mixedevened skin tone

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!”
positive

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.”
mixedrich texture

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.”
positive

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.”
positiveevened skin tone

Says Good Genes genuinely works for them and their mom.

“This isn’t an ad either. It genuinely works for me and my mom”
positive

DDG peel pads irritated their skin, but Good Genes gives them smooth, soft, glowing skin.

“Sunday Riley Good Genes works much better for me personally, giving me smooth, soft skin with the glow I expected from the DDG pads.”
positiveevened skin tone

Likes Good Genes Lactic Acid but finds the EU glycolic version superior.

“I like Good Genes but being in the US the only one available is Sunday Riley Good Gene with Lactic Acid”
mixed

Recommends sampling first because to them it smells like sour milk.

“see if you can get a sample first. To me it smells like sour milk”
negativestrong scent

On their 4th or 5th bottle in six years; Good Genes gently exfoliates, plumps and leaves a glow.

“Very gentle exfoliation (yet powerful, ironically) + plumping = smooth skin! A noticeable glow on my face after using it.”
positivegentle

Credits Good Genes plus vitamin C with clearly improving the sun spots on their forehead.

“I *think* the good genes + vitamin c in the AM are the cause since the rest of my routine is really just hydration.”
positiveevened skin tone

Sunday Riley Good Genes has been very effective for them, alongside the A+ serum.

“SR Good Genes and A+ retinoid serum have been so effective for me.”
positive

Good Genes is their holy grail and a high-end product they've repurchased for seven years.

“Good Genes is my holy grail and one high end product I’ve repurchased for the last seven years!”
positive

Good Genes has worked so well that it's the one product they consistently remember to use.

“Good genes is the only skincare I consistently remember to do because it’s worked so well for me.”
positive

Six months in and loving it, though the price hurts enough that they alternate with cheaper lactic acids.

“I’ve been using Good Genes for 6 months and love it but the price tags hurts”
positivegreat value

Names Sunday Riley Good Genes among the Sephora products they love.

“I love the Tatcha indigo repair and the Sunday Riley good genes serum.”
positive

Alternating Good Genes with a retinoid worked incredibly; finds it very hydrating and gently exfoliating.

“It was incredible and the good genes is sooo hydrating and exfoliates gently.”
positivehydratinggentle

Felt like burning on the first use, but the next morning their face looked fantastic.

“I purchased Good Genes recently and really love it (it felt like burning the first time I used it and I got scared but the next morning my face looked fantastic”
positivestinging

Good Genes has done wonderful things for their skin but is very expensive.

“It has done wonderful things for my skin but it's so damn expensive”
positive

Good Genes has been their holy grail serum for 8 years.

“It’s my holy grail serum that I’ve been using for 8 years and counting.”
positive

Tried Good Genes a couple of years ago and it never did much for them.

“I'm aware the SR Good Genes is popular, but I it just never seemed to do much for me when I tried it a couple of years ago.”
negative

In their early 40s, sees a huge difference from Good Genes alternated with Luna.

“I’m early 40s, have seen a huge difference using Good Genes and Luna oil”
positive

Good Genes with the C.E.O. serum makes their face look filtered; can't live without them.

“Good Genes with the CEO serum applied together make my face look like I've got a filter on.”
positiveevened skin tone

At 39 with dry/normal skin, a set with Good Genes (lactic) significantly brightened their complexion.

“I’m 39, with dry/normal skin and it’s significantly brightened up my complexion”
positiveevened skin tone

Uses Good Genes twice daily: mellow but effective, with results they like.

“SR GG is pretty mellow but effective.”
positivegentle

Good Genes did nothing for their face.

“Sunday Riley didn’t do anything for my face”
negative

Good Genes lactic acid made their dry, sensitive skin more prone to breakouts.

“i found that the Sunday Riley lactic acid made my skin more prone to breakouts.”
negativebroke me out

Calls it worth it after six years of use, with a long-term routine built around it.

“Well for Me Good genes is worth it. I’ve been using it for 6 years”
positivecleared breakouts

Loves it, but finds it mainly improved texture rather than their acne or scarring.

“I do love Good Genes, but find that it mainly helped with texture for me”
positiveevened skin tone

Good Genes twice a week smooths their very dry skin, but more often it burns.

“I use it maybe 2x a week and it smooths everything out nicely, if I use it more often though it burns my skin!”
mixedstinging

Uses Good Genes daily on oily skin, layered with Luna or alone, with no issues.

“I use it daily. I layer with the Luna oil or use it alone.”
positive

Calls it magic: two applications on a breakout and the scabs flake off, pricey but worth it.

“Good genes is Magic. When I get breakouts it takes two applications and then the scabs from acne flake off. It's insane. Expensive but worth it”
positivecleared breakouts

Has used Good Genes daily for years and is ride or die for it.

“i am ride or die for sunday riley, i use good genes and A+ daily and have for years”
positive

Used it for a while from a subscription box, then found The Ordinary lactic acid just as effective.

“I had used Good Genes for a while after I got it in a Boxycharm or something. When I ran out I switch to The Orfinary Lactic Acid 10% and it's just as effective for me”
mixedgreat value

Good Genes is a holy grail for them; recommends starting with one pump twice a week.

“Every other Sunday riley is a holy grail for me. Particularly good genes”
positive

Good Genes is the best product for their very dry, extremely sensitive aging skin; will repurchase forever.

“The best product I’ve ever had for my very dry and extremely sensitive aging skin. Will keep repurchasing forever.”
positivegentle

Older than 36 months. These may describe an earlier version.

Calls Good Genes their holy grail.

“1.7 fl oz. of Good Genes (my holy grail)”
positive

Good Genes is ok but dries in the dispenser and works no better than The Ordinary lactic or mandelic acid.

“Good Genes are ok product, but it's annoying because it dries in the dispenser”
mixed

Good Genes works wonders for them a few nights a week and whenever texture appears.

“Good Genes works wonders for me.”
positive

Good Genes is more effective for them than the Peach & Lily alternative they used up.

“I used up a bottle of the P&L, I liked it but it didn’t have the same level of effect that good genes does.”
positive

With sensitive skin, came back to Good Genes after trying cheaper alternatives.

“I have sensitive skin and I really like this stuff. I tried cheaper, similar things, and came back to good genes.”
positivegentle

Bought Good Genes twice but saw no improvement in dark marks, and it stung a lot.

“I don’t love good genes.”
negativestinging

Prefers Good Genes over The Ordinary lactic acid: wakes up with glowy, plump, even and smooth skin.

“I love good genes. I previously used the ordinary lactic acid because the price could not be beat”
positiveevened skin tone

Loves Good Genes for rough skin, though it makes their non-sensitive skin twinge a bit.

“I love it. I have normal/combo skin that is NOT SENSITIVE at all.”
positivestinging

Finished a full bottle of Good Genes and enjoyed it, but not enough for their oily skin at full price.

“I’ve tried it, finished a 1.7 oz bottle, and thoroughly enjoyed it. I wouldn’t purchase it again at full price.”
mixed

A year in, still likes Good Genes though the early dramatic results faded; overpriced.

“I really like it and felt like it had instantaneous results the first few months”
mixed

Good Genes is the standout Sunday Riley product for them: super effective with a real morning glow.

“out of all of their products I’ve tried, Good Genes is bomb. It’s super effective, they formulated it really well.”
positive

Swears by Good Genes: skin is smoother and plumper the next morning; the one Sunday Riley product they keep repurchasing.

“I swear by Good Genes but because of the price I prefer to wait for a sale. My skin is noticeable smoother and plumper by the next morning.”
positive

Good Genes has been extremely effective, improving their texture and brightness.

“I use it and it’s been extremely effective for my skin. Improved texture and brightness.”
positiveevened skin tone

Used it and says lactic acid is excellent for calming redness overnight, before switching to The Ordinary.

“I use Good Genes and recently swapped it for the Ordinary’s exact dupe. Lactic Acid. It’s excellent for calming redness overnight”
positivegentle

Uses it twice a week alongside tretinoin with no reaction, gentle, helping texture and closed comedones.

“I use it 2x a week and haven't had any reaction to it. It's been pretty gentle and helped with my textures and closed comedones”
positivegentle

Used it before but found the synthetic fragrances did not suit their skin and switched to The Ordinary.

“i used to use Good Genes but it has a lot of synthetic fragrances and wasn't good for my skin”
negativestrong scentirritating

Liked it but not the price, so switched to a cheaper AHA peel that works just as well.

“ended up switching to Mad Hippie AHA Exfoliating Peel with Peptides, Glycolic & Lactic Acids. Works just as well for me”
mixedgreat value

After three uses from an Ulta sample, their skin is the softest and smoothest in a year.

“I’ve used it three times now and my skin is the softest and most smooth it’s been in a year”
positiveevened skin tone

A holy grail after five years of use, applied two to three times a week from the XL size.

“Good genes is a hg for me, I’ve been using it for 5 years. I get the XL size and use it 2-3x a week”
positivecleared breakouts

On dry, sensitive skin, has used Good Genes a few times and liked the results.

“have used Good Genes a few times and liked the results”
positive

On super dry skin, Good Genes cycled with Luna works awesomely for them.

“As for the fake reviews thing, Good Genes and Luna are AWESOME for me”
positive

Liked it but did not notice a massive impact and is weighing a repurchase.

“I’ve liked it but wouldn’t say I’ve noticed some massive impact from it.”
mixed

Did nothing for their face but worked wonders on keratosis pilaris on butt and thighs; not worth the money.

“I had high hopes for good genes but it didn’t do anything for my face.”
negative

Currently using Good Genes and doesn't feel it's doing anything; prefers DDG peel pads.

“I use good genes right now and personally don’t feel it’s doing anything for me.”
negative

On their umpteenth bottle, always grabbing it when discounted.

“Sunday Riley Good Genes: I just opened my ?th bottle a few days ago and I still have 3 new bottles in my stock basket. Whenever I can get them discounted, I just grab them”
positive

With Sunday Riley's vitamin C oil and CEO cream they say they literally have a different face and healthier skin.

“Good Genes in the evening and the vitamin c oil and CEO cream in the morning and I literally have a different face. My skin has never looked so healthy”
positive

Loves it at two to three times a week but may replace it with a cheaper Mad Hippie AHA peel when it runs out.

“I use Good Genes about 2-3 times per week and while I DO love it”
mixedgreat value

Tried Good Genes before tretinoin and it didn't live up to the hype.

“Long before I ever started using tret, I tried Good Genes. It did not live up to the hype for me.”
negative

Stopped giving results after a while; they still like it but find it less powerful now.

“Good Genes stopped giving me results after a while too. I still like it, but it’s not as powerful”
mixedevened skin tone

A go-to for a while but they stopped seeing progress on texture after a couple of years of dedicated use.

“Sunday Riley Good Genes was a go-to for a while but I stopped seeing progress after a couple years of dedicated use”
mixedevened skin tone

Made their face very smooth without irritation, though cheaper lactic acids seem just as effective.

“it definitely worked to make my face very smooth without ever causing irritation. However I have other lactic acid products that seem to be just as effective and cost less.”
mixedgentlegreat value

A constant repurchase that evens texture and leaves skin plump, soft and glowing.

“Nothing else works as well for my skin. It's so effective for helping to even out texture and plumping the skin to leave it soft and glowing.”
positiveevened skin tone

Uses it nightly for two years with Luna and says results take a few months.

“It takes a few months to see the results so, be patient. I’ve been using them for 2 years every night and people can’t tell my age.”
positiveevened skin tone

Suspects it causes deep, painful pimples when they add it to their routine, so they stopped all actives for now.

“I’m not sure if it’s the Good Genes or what but I end up getting a few of the large like underground zits when I try incorporating it into my routine.”
negativebroke me out

Tried four Sunday Riley products including this one and felt none did anything for the price.

“I don’t feel like any of them actually did anything. The products seem overpriced and underwhelming to me.”
negative

Uses it daily on very oily, acne-prone skin; it made their skin much smoother and they haven't broken out since starting it.

“I love Good Genes. I first tried after I saw you talk about it. It has really made my skin much smoother. I use it every day and I just love it.”
positivecleared breakouts

Loves Good Genes but wishes the lemongrass oil in it were removed.

“Thank you Lauren. I've been waiting for this. love good genes - just wish for the Lemongrass oil to be removed.”
mixedstrong scent

Loves it paired with Sunday Riley's night oil.

“I love Sunday Riley Good Genes and sleeping night oil together”
positive

Their tretinoin-treated face could rarely tolerate it, so they used it on their body instead.

“I had to empty my good genes into the rest of my body because I could rarely ever use it on my face abs didn’t want it to expire”
negativeirritating

Dislikes Sunday Riley's practices but won't give up their Good Genes.

“I don’t like what they did either, but you can take my Good Genes out of my cold, dead hands.”
positive

Went through two small bottles hoping it would do something and only got tiny whiteheads.

“Sunday Riley Good Genes - Went through two small bottles of this trying to convince myself it was doing something. Only gave me tiny whiteheads”
negativebroke me out

Likes it as an exfoliating mask.

“For an exfoliant, I like Sunday Riley good genes as a mask.”
positive

With Sunday Riley Luna, it cleared their cystic acne and they consider it a godsend.

“Luna and Good Genes cleared my cystic acne. They are seriously god sent!”
positivecleared breakouts

Can't find anything close to the glow Good Genes gives them and will keep repurchasing.

“I can’t find anything close to the glow I get from Good Genes. I’ll keep purchasing until I can find something as good.”
positive

Good Genes is their holy grail; nothing else comes close for their skin.

“good genes is my holy grail and i'd tear a limb off for it.”
positive

Saw a difference the next morning and believes other brands lactic acids are not the same.

“I LOVE good genes. And lactic acid from other brands is not the same -- it's the particular blend of ingredients in GG to that makes it so magical.”
positiveevened skin tone

Their favorite product, but needs a gentle approach so they no longer use it daily.

“Good Genes is my favorite product for now. You just have to go easy with it. But honestly every time I use it I wake up feeling beautiful. I just try not to use it every day anymore.”
positivegentle

Good Genes didn't agree with their already-compromised moisture barrier.

“I did try that once but it didn't agree with me, I think because my moisture barrier was already compromised significantly at that point.”
negativeirritating

After months of trial sizes, bought full-size Good Genes; their skin responds very well to it.

“It’s just a really beautiful formulation and my skin responds SO well.”
positive

Has used many acids and would pick Good Genes over all of them; worth the price and hype.

“IMO, of what you listed, i definitely thing SR Good Genes is worth the price and the hype.”
positive

Good Genes cleared their acne; a cheaper 8% AHA they switched to wasn't nearly as good.

“Good Genes cleared it up for me but I figured something else can get the job done.”
positivecleared breakouts

Had a bottle of Good Genes and wasn't impressed; thinks you're paying for the brand.

“I honestly don’t think the Good Genes is worth it. I had a bottle a few years ago and wasn’t impressed by it.”
negative

Used two bottles with no results and acne only came under control after dropping it.

“I used two whole bottles of good genes and I'm pretty sure my skin hates it. Never saw any results and I could never get my acne under control until I cut this out”
negativebroke me out

Saw amazing reductions in scarring on their chin and the bottle has lasted a long time.

“I have seen amazing reductions from scarring with Good Genes. It's my favorite product. The bottle has also lasted me a long time so I think it's a good value”
positiveevened skin tonegreat value

Good Genes is amazing for them: people compliment their glow and it fades scars.

“omg the Sunday Riley Good Genes is AMAZING. Everyone compliments me on how glowy my skin is it works overnight and fades scars”
positiveevened skin tone

Worked great the first time, but the next use broke them out badly so they avoid it now.

“Good Genes worked great for me once, and then the next time I used it, it broke me out like crazy”
negativebroke me out

Loves it after a month with smoother skin and softer forehead wrinkles, though the smell is not the best.

“I have used the good genes serum for a month now and i love it! but the smell is not the best.”
positiveevened skin tonestrong scent

Despite sensitive skin they had no reactions; it is surprisingly gentle with no stinging or redness.

“i never had any reactive issues to the good genes treatment. i dunno how that's possible honestly, especially considering the % of lactic acid, but its somehow quite gentle. no stinging or redness.”
positivegentle