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Paula's Choice 25% Vitamin C + Glutathione Clinical Serum Dupes & Cheaper Alternatives

From 13 Reddit threads · Updated October 14, 2026

25% Vitamin C + Glutathione Clinical Serum
85nextscore· 7 verdicts

25% vitamin C serum brightens stubborn discoloration and boosts glow; pricey tiny bottle. The catch: smallest size feels like a $20 sample. Here's what Redditors reach for instead.

The short answer

  1. 20% Vitamin C + E Ferulic Acid Serum
    Best Overall Alternative

    20% L-ascorbic acid for visible brightening · $25.16 · 30 ml

  2. C E Ferulic
    Same Active: Vitamin C

    15% L-ascorbic acid formula; vitamin C benchmark · $147.96 · 30 ml

#1

Best Overall Alternative

  • Key actives: Vitamin C 20%, L-Ascorbic Acid 20%
  • Size: 30 ml

The why

A high-strength L-ascorbic acid serum with ferulic acid, vitamin E, panthenol, and sodium hyaluronate, built for stubborn discoloration and dullness. It layers cleanly under sunscreen, but reactive, tret-irritated, or breakout-prone skin can face burning, redness, or clogged pores.

One minus

Burning and redness hit sensitive or tret-irritated skin

Good forDry Skin

The original, at a glance

Why people love it
25% vitamin C blend for visible glow

#2

Same Active: Vitamin C

  • Key actives: L-ascorbic acid 15%, alpha tocopherol 1%
  • Size: 30 ml

The why

A 15% L-ascorbic acid serum paired with tocopherol and ferulic acid for morning brightening and photoaging support. It suits experienced vitamin-C users chasing stubborn pigmentation, but reactive or oily skin may face stinging, tackiness, breakouts, and rapid oxidation.

One minus

15% strength stings reactive skin and can worsen redness

Good forDry Skin, Sensitive Skin

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