Medik8 Liquid Peptides Dupes & Cheaper Alternatives
What Reddit recommends instead — 21 products with similar benefits · Analyzed 30 threads · Updated August 25, 2026
For Dehydration
For Anti-Aging
More alternatives

The Ordinary
Niacinamide 10% + Zinc 1%3 shared traits·481 mentions
Affordable 10% niacinamide serum for oil control and pore shrinkage

The Ordinary
Alpha Arbutin 2% + HA3 shared traits·67 mentions
Strong OTC pigment corrector with added mild exfoliation

Geek & Gorgeous
C-Glow3 shared traits·63 mentions
Strong 15% L-ascorbic acid formula for effective antioxidant and brightening support

The Ordinary
Vitamin C Suspension 23% + HA Spheres 2%3 shared traits·39 mentions
High 23% L-ascorbic acid for brightness and light exfoliation

The Ordinary
Ascorbyl Glucoside Solution 12%3 shared traits·38 mentions
Stable, non-stinging vitamin C derivative good for sensitive skin

Beauty of Joseon
Glow Serum: Propolis + Niacinamide1 shared trait·87 mentions
Niacinamide regulates oil and brightens dull, uneven skin tone

Some By Mi
Retinol Intense Reactivating Serum1 shared trait·27 mentions
Gentle enough for retinol beginners with sensitive skin

1 shared trait·18 mentions
Calms redness and soothes irritated skin effectively
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