Ultra Repair Hydration Boost Serum vs Amino Acids + B5 Hydration Serum — Ingredient Comparison

First Aid Beauty

Ultra Repair Hydration Boost Serum

Serum · 18 ingredients · USA

First Aid Beauty's Ultra Repair Hydration Boost Serum is a lightweight serum that infuses skin with hydration + visibly plumps to make skin look healthier.

The Ordinary

Amino Acids + B5 Hydration Serum

Serum · 27 ingredients · Canada

The Ordinary's Amino Acids + B5 Hydrating Serum is a lightweight, concentrated hydration support formula with 17% amino acids (including amino acid derivatives) and 5% vitamin B5.

VeganCruelty-free

Your fit

Set your skin profile to see how these suit you

Set your skin profile

How these two interact

No conflicts — safe to layer

Both are Serum products.

At a glance

Vegan

—

Cruelty-free

—

Price

$31.20

$7.36

$23.84 less

Key ingredients

Hyaluronic Acid

Holds water in the skin for instant plumping and hydration.

Squalane

A lightweight, biomimetic oil that softens without clogging pores — pairs perfectly with strong actives to offset dryness.

Glycerin

The workhorse humectant — simple, effective, and exceptionally well-tolerated.

Collagen

A large hydrating molecule that forms a moisture-retaining film on the surface for a plump, smooth feel.

Panthenol (B5)

A barrier-repairing humectant that hydrates and calms — a sensitive-skin staple.

Colloidal Oatmeal

A soothing ingredient that calms redness and irritation.

Allantoin

Calms redness and smooths texture — buffers harsh actives beautifully.

Sodium Pca

A humectant that pulls water into the skin for plumper, more hydrated skin.

Sodium Pca

A humectant that pulls water into the skin for plumper, more hydrated skin.

Panthenol (B5)

A barrier-repairing humectant that hydrates and calms — a sensitive-skin staple.

AHA

What it targets

Hydration

Barrier

Texture

Soothing

Hydration

Barrier

Soothing