Drunk Elephant B-Hydra Intensive Hydration Serum

−86%per oz

Drunk Elephant · $56Good Molecules · $4.79

Shared: Sodium hyaluronate
The trade-off: Drunk Elephant adds vitamin B5, niacinamide, wheat amino acids, marula oil and fruit extracts, while Good Molecules is little more than the humectants, which is all a hydrating serum strictly needs.
Sizes: 50 ml against 30 ml

Drunk Elephant B-Hydra Intensive Hydration Serum dupe

B-Hydra Intensive Hydration Serum costs about $56 for 50 ml ($33.12 / fl oz). The closest match below is Good Molecules Hyaluronic Acid Serum at $4.79, about 86% less per ounce. Each pair is compared on format, finish and key ingredients, including what the dupe doesn't do.

Lightweight hydrating serum with hyaluronic acid, vitamin B5, niacinamide and marula oil; mixes into any cream or foundation.

Original: $56
Cheapest dupe: $4.79
You save: 86%

Amazon prices as of Sep 25, 2026, 8:40 PM ET, subject to change: the price on Amazon at checkout is the one that applies.

Buy the $4.79 dupe See the original

The dupe, side by side

The original

Drunk Elephant

B-Hydra Intensive Hydration Serum

$56

$33.12 / fl oz

−86%per oz

Cost per fl oz

Drunk Elephant$33.12 / fl oz

Good Molecules$4.72 / fl oz

$51.21 less at checkout than the original.

Size: Original · Drunk Elephant50 ml; Dupe · Good Molecules30 ml
Key ingredients: Original · Drunk ElephantSodium hyaluronate, Panthenol, Niacinamide; Dupe · Good MoleculesSodium hyaluronate, Glycerin

What matches

Same core: glycerin and sodium hyaluronate hold water in both, in a thin serum that layers under anything.

What the dupe does worse

Drunk Elephant adds vitamin B5, niacinamide, wheat amino acids, marula oil and fruit extracts, while Good Molecules is little more than the humectants, which is all a hydrating serum strictly needs.

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Questions

What is the best dupe for Drunk Elephant B-Hydra Intensive Hydration Serum?

Good Molecules Hyaluronic Acid Serum at about $4.79. Same core: glycerin and sodium hyaluronate hold water in both, in a thin serum that layers under anything.

How much cheaper is Good Molecules Hyaluronic Acid Serum than B-Hydra Intensive Hydration Serum?

B-Hydra Intensive Hydration Serum costs about $56 for 50 ml, or $33.12 / fl oz. Good Molecules Hyaluronic Acid Serum works out at $4.72 / fl oz, roughly 86% less per ounce.

What does Good Molecules Hyaluronic Acid Serum do worse than B-Hydra Intensive Hydration Serum?

Drunk Elephant adds vitamin B5, niacinamide, wheat amino acids, marula oil and fruit extracts, while Good Molecules is little more than the humectants, which is all a hydrating serum strictly needs.