KateCeuticals Firming Serum

KateCeuticals Firming Serum

Youth-Boost Peptide Serum

Youth-Boost Peptide Serum

KateCeuticals Firming Serum

Kate Somerville

KateCeuticals Firming Serum

Serum · 46 ingredients

Put dull skin in your rearview with Kate Somerville's clinic-grade KateCeuticals Firming Serum. You'll see smoother texture and improved skin firmness within 2 weeks. The Tri-Peptide + Hyaluronic Acid Complex softens the appearance of fine lines and visibly minimizes even the deepest wrinkles.

Youth-Boost Peptide Serum

goop

Youth-Boost Peptide Serum

Serum · 45 ingredients

For youthful, healthy-looking skin, this powerful, clinically tested all-in-one Youth-Boost Peptide Serum from goop takes a 360-degree approach to target key signs of aging—firmness, elasticity, wrinkles, hyperpigmentation, texture, radiance, barrier support, and more.

Cruelty-free
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How these two interact

No conflicts — safe to layer

Both are Serum products.

At a glance
Cruelty-free
Price
$119
$31 less
$150
Key ingredients

Hyaluronic Acid

Holds water in the skin for instant plumping and hydration.

Ceramides

Barrier lipids that seal in moisture and repair a compromised skin barrier.

Peptides

Amino-acid messengers that signal collagen production for firmer, smoother skin.

Vitamin E

An antioxidant that protects the barrier and supercharges vitamin C.

Glycerin

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

Adenosine

A cell-signaling ingredient that smooths fine lines and supports firmer skin.

Citrus Aurantifolia (Lime) Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Citrus Aurantium Dulcis (Orange) Peel Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Citrus Paradisi (Grapefruit) Peel Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Mentha Piperita (Peppermint) Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Zingiber Officinale (Ginger) Root Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Citrus Aurantium Bergamia (Bergamot) Fruit Oil

A nourishing plant oil that softens skin and helps seal in moisture.

AHA

Niacinamide

Strengthens the barrier, controls oil, and fades dark spots — gentle and plays well with almost everything.

Hyaluronic Acid

Holds water in the skin for instant plumping and hydration.

Salicylic Acid

An oil-soluble acid that gets inside pores to clear congestion and calm breakouts.

Ceramides

Barrier lipids that seal in moisture and repair a compromised skin barrier.

Peptides

Amino-acid messengers that signal collagen production for firmer, smoother skin.

Squalane

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

Aloe Vera

Cools and hydrates irritated skin.

Vitamin E

An antioxidant that protects the barrier and supercharges vitamin C.

Bifida Ferment

A probiotic ferment lysate that supports the skin barrier and microbiome, calming reactive skin.

Glycerin

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

Salicylic Acid (BHA)

An oil-soluble acid that gets inside pores to clear congestion and calm breakouts.

Gluconolactone (PHA)

A gentle, large-molecule exfoliant that smooths and hydrates — ideal for sensitive skin.

Saccharomyces Ferment

A fermented filtrate that hydrates, brightens, and strengthens the barrier.

Coriandrum Sativum (Coriander) Fruit Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Piper Nigrum (Pepper) Fruit Oil

A nourishing plant oil that softens skin and helps seal in moisture.

AHA

Boswellia Carterii (Frankincense) Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Citrus Aurantium Dulcis (Orange) Peel Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Commiphora Myrrha (Myrrh) Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Vetiveria Zizanoides (Vetiver) Root Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Zingiber Officinale (Ginger) Root Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Ferula Galbaniflua (Galbanum) Resin Oil

A nourishing plant oil that softens skin and helps seal in moisture.

What it targets

Hydration

Barrier

Anti-aging

Firmness

Antioxidant

Healing

Hydration

Barrier

Brightening

Anti-aging

Firmness

Texture

Acne

Pores

Oil control

Soothing

Antioxidant

Healing