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Mary & May Idebenone + Blackberry Complex Serum Dupes & Cheaper Alternatives

From 9 Reddit threads · Updated October 7, 2026

Idebenone + Blackberry Complex Serum
78nextscore· 6 verdicts

Idebenone antioxidant serum for brightening; underwhelming hydration. The catch: hydration is barely there. 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. Madagascar Centella Asiatica Ampoule
    Best Cheaper Alternative

    Watery, fast-absorbing centella · $6.00 · 30 ml vs $21.35 for the original

  3. Madagascar Centella Tone Brightening Capsule Ampoule
    Best for Brightening

    Niacinamide plus tranexamic acid brightening duo · $10.99 · 50 ml

#1

Best Overall Alternative

  • Size: 30 ml
  • Price per ml: $0.84/ml (original $0.27/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

“timeless vitamin c (am)”

— Reddit, r/30PlusSkinCare

The original, at a glance

Why people love it
Idebenone-led antioxidant serum
Price
$21.35 · 80 ml · $0.27/ml

#2

Best Cheaper Alternative

  • Size: 30 ml
  • Price per ml: $0.20/ml (original $0.27/ml)

The why

A watery centella ampoule that people use before moisturizer or tret. It suits irritated, dehydrated, or barrier-damaged skin. On very reactive faces, it can sting, break out, or do basically nothing.

One minus

Can trigger closed comedones or whiteheads

Good forSensitive Skin, Dry Skin

#3

Best for Brightening

  • Size: 50 ml
  • Price per ml: $0.22/ml (original $0.27/ml)

The why

This sticky ampoule pairs niacinamide, tranexamic acid, centella, and madecassoside for gradual tone-evening and a brighter look. Redditors reach for it when they want a gentler alternative to vitamin C, though pigmentation changes can be negligible.

One minus

Breakouts reported, especially with repeated use

Good forSensitive Skin

Other alternatives worth a look

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