Peter Thomas Roth Retinol Fusion PM Night Serum Dupes & Cheaper Alternatives
From 4 Reddit threads · Updated October 17, 2026
Retinol serum with a velvety, non-drying finish; a Reddit holy grail for some. Here's what Redditors reach for instead.
The short answer
Best Overall Alternative1% retinol for experienced users · $11.90 · 29.6 ml
Best Cheaper Alternative0.2% retinol used three times weekly without reported irritation · $13.69 · 30 ml vs $65.00 for the original
Same Active: RetinolStarter retinoid with low-irritation rep
#1
Best Overall Alternative
- Key actives: Retinol 1%
- Size: 29.6 ml
- Price per ml: $0.40/ml (original $2.20/ml)
The why
One minus
Strong starting point; redness and stinging can hit within days
The original, at a glance
- Why people love it
- Velvety, non-drying finish
- Price
- $65.00 · 29.6 ml · $2.20/ml
#2
Best Cheaper Alternative
Lab in Nature Centella Retinol 0.2 Boosting Shot Ampoule
Skin1004·Serum
See alternatives0.2% retinol used three times weekly without reported irritation
- Key actives: Retinol 0.2%
- Size: 30 ml
- Price per ml: $0.46/ml (original $2.20/ml)
The why
A 0.2% retinol ampoule for people building a cautious retinoid routine, with Reddit users reporting no irritation at three applications weekly and a noticeable effect. Expect an every-other-night or alternating schedule, not a casual daily serum; results remain anecdotal.
One minus
Needs spacing from other strong routine steps
Good forSensitive Skin
#3
Same Active: Retinol
Granactive Retinoid 2% Emulsion
The Ordinary·Serum
See alternativesStarter retinoid with low-irritation rep
- Key actives: Granactive Retinoid 2%
The why
A low-strength retinoid emulsion for people easing into vitamin A or buffering a breakout-prone, reactive routine. Reddit treats it as a starter step for acne and early anti-aging. Dry, sensitive skin usually needs slow nights and moisturizer buffering.
One minus
Still triggers redness on reactive skin
Good forSensitive Skin
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