Overnight Exfoliating Treatment — Reddit Reviews
Updated October 3, 2026
Glycolic-acid exfoliation smooths texture; Redditors favor weekly use.
What the community says
An overnight AHA/BHA treatment for occasional resurfacing. Redditors commonly use it once or twice weekly, and rosacea users report no adverse reaction. People layering tretinoin or several actives need alternate nights; overuse can leave skin looking over-exfoliated.
What this means for you
Backed by 28 threads from r/30PlusSkinCare, r/SkincareAddiction and 4 more.
Read the threads ↓What people love
- 8% glycolic acid for weekly exfoliation
- AHA/BHA formula reported gentler than most weekly treatments
- Noticeably improves armpit odor for some users
Watch out for
Product details
Concerns
Skin Type
Product Traits
Key Ingredients
Where to buy
What the science says
Anti-Aging
Strong evidence
Glycolic Acid: 14 studies tested it directly. See all 21 studies
What the studies found
- Most studies found glycolic acid helped with signs of aging
- It often improved fine lines, roughness, skin texture, and overall skin clarity
- Some studies found it also helped fade dark spots and sun damage
- One study found it was less helpful than tretinoin for skin firmness
- The most common side effects were stinging and burning
Hyperpigmentation
Some evidence
Glycolic Acid: 15 studies tested it directly. See all 23 studies
What the studies found
- Most studies found glycolic acid helped fade dark spots or patches
- It often worked better when added to another treatment than when that treatment was used alone
- It usually worked about as well as several other peel treatments for melasma
- Some studies found other treatments worked better, or that the lightening did not last
- The most common side effects were irritation, discomfort, stinging and burning
Acne
Some evidence
Glycolic Acid: 13 studies tested it directly. See all 22 studies
What the studies found
- Most studies found glycolic acid helped clear acne
- It often reduced blackheads, whiteheads, and red, sore spots
- It cleared acne better than a placebo in some studies
- It usually worked about as well as other common acne treatments or peels
- The most common side effects were peeling and early skin irritation
Texture/Pores
Some evidence
Glycolic Acid: 3 studies tested it directly. See all 6 studies
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 33 mentions across 28 threads
Good Molecules Overnight Exfoliating Treatment on Reddit, in one place — 28 threads from r/30PlusSkinCare, r/SkincareAddiction and 4 more, summarized.
“I also use cerave retinol and good molecules overnight resurfacing, but otherwise my routine is really basic”
Positive
“I also use cerave retinol and good molecules overnight resurfacing”
Positive
“but otherwise my routine is really basic”
Positive
“GM Overnight Exfoliating Treatment”
Positive
“so I followed the next routine for 2 years:”
Positive
“That's the routine that got me the 2nd photo results”
Positive
“A chemical exfoliant and occasional physical exfoliant help me reduce their appearance.”
Positive
“I use good molecules overnight exfoliating treatment maybe once a week.”
Positive
“I use good molecules overnight exfoliating treatment maybe once a week. I also have the ilso sebum melter which definitely works too”
Positive
“I use the Good Molecules overnight exfoliant (basically just glycolic acid) on my armpits 3-4 nights a week and I promiseeeee it makes a difference lol.”
Positive
“Even first thing in the morning without deodorant!”
Positive
“I also use glycolic acid toner (I like Good Molecules since TO is owned by Estee Lauder)”
Positive
“Twice a week (mondays and fridays), I use the Overnight Exfoliating Treatment by Good Molecules”
Positive
“which has a nice percentage of glycolic acid”
Positive
“Twice a week (mondays and fridays) I use the Overnight Exfoliating Treatment by Good Molecules”
Positive
“Maybe once a month I’ll use the Good Molecules overnight exfoliator.”
Positive
“I don’t exfoliate regularly at all lol.”
Positive
“If you’re using tret, I wouldn’t layer another exfoliater in unless you know your skin can handle it.”
Positive
