

Bio-Retinol vs TONYMOLY
Face Serum, 0.5% All-Trans Retinol · Watermelon Dew All Over Body and Face Serum, Hydrating…
Side-by-side comparison
Face Serum, 0.5% All-Trans Retinol·Vitamin C Super Serum Plus, Smoothing Face Care, plus…
Side-by-side look at Bio-Retinol Face Serum, 0.5% All-Trans Retinol ($47.0) and Naturium Vitamin C Super Serum Plus, Smoothing Face Care, plus… ($11.89) in the serum category.
Luxury pick

Face Serum, 0.5% All-Trans Retinol
Budget dupe

Vitamin C Super Serum Plus, Smoothing Face Care, plus…
| Spec | Bio-Retinol | Naturium |
|---|---|---|
| Category | Serum | Serum |
| Finish | Varies | Varies |
| Coverage | Varies | Varies |
| Volume | N/A | 29.57 ml (1.0 fl oz) |
| Unit Price | $47 | $0.40 / ml |
| Skin Type | All | All |
| Tags | Luxury | Budget |
For a fair comparison, weigh formula claims, shade/finish, and wear time — not just price. Naturium Vitamin C Super Serum Plus, Smoothing Face Care, plus… undercuts Bio-Retinol Face Serum, 0.5% All-Trans Retinol by about 74%, but the luxury option may still win on texture, longevity, or shade match depending on your priorities.
Price drop alert
We watch Naturium Vitamin C Super Serum Plus, Smoothing Face Care, plus… (currently $11.89) and email you when the price drops.
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Face Serum, 0.5% All-Trans Retinol · C Serum, 1 fl oz, All Skin Types, (Vitamin C Serum)