Dr. Althea Gentle Vitamin C Serum Dupes & Cheaper Alternatives
What Reddit recommends instead — 24 products with similar benefits · Analyzed 26 threads · Updated August 25, 2026
Same active: vitamin C
Showing 6 of 16
Other vitamin C products Reddit recommends
Cheaper options
Showing 6 of 18 · prices updated daily
For Hyperpigmentation
For Redness / Irritation
More alternatives

Beauty of Joseon
Light On Serum : Centella + Vita C3 shared traits·23 mentions
Gentle vitamin C derivative brightens without irritation

Naturium
Vitamin C Complex Serum2 shared traits·21 mentions
10% vitamin C plus 5% derivative avoids low pH formulas

The Inkey List
15% Vitamin C And EGF Serum2 shared traits·15 mentions
Brightens and reduces hyperpigmentation effectively

The Ordinary
Magnesium Ascorbyl Phosphate 10%2 shared traits·7 mentions
Gentler vitamin C derivative great for sensitive skin

Geek & Gorgeous
C-Glow1 shared trait·67 mentions
15% L-ascorbic acid offers strong antioxidant protection

Mad Hippie
Vitamin C Serum1 shared trait·34 mentions
Gentle vitamin C form ideal for sensitive and acne-prone skin
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