Youth Boost Peptide Serum

Goop Beauty

Where to buy Possibly in stock

About this product

The Goop Beauty Youth Boost Peptide Serum is a serums, essence, ampoule. Our analysis of its 45 ingredients (31 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
45
Low-risk
31
Fragrance
Fragrance-free
Origin
United States

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 7/6
Good for dry skin
Gluconolactone Squalane Calcium Gluconate Sodium Hyaluronate Glycerin Saccharomyces Ferment Filtrate Lecithin
Caution for dry skin
Maltodextrin Xanthan Gum Glycerin Salicylic Acid Daemonorops Draco Extract Lecithin
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Salicylic Acid Daemonorops Draco Extract
Sensitive Skin 6/13
Good for sensitive skin
Capryloyl Glycerin/Sebacic Acid Copolymer Glycerin Triethyl Citrate Acmella Oleracea Extract Haematococcus Pluvialis Extract Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Gluconolactone Canarium Luzonicum Gum Nonvolatiles Vetiveria Zizanoides Root Oil Boswellia Carterii Oil Glycerin Triethyl Citrate Salicylic Acid Commiphora Myrrha Oil Citric Acid Sodium Benzoate Potassium Sorbate Linalool Limonene

Ingredients list

45 total
Lower hazard (1) Higher hazard (6)
All45 Skin Conditioning31 Fragrance14 Masking9 Perfuming8 Hair Conditioning8 Solvent6 Humectant6 Tonic5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Bifida Ferment Lysate
(Skin Conditioning)
Carthamus Tinctorius Oleosomes
(Emulsion Stabilising, Skin Conditioning, Skin Conditioning Emollient)
2
A
Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent)
Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
Saccharomyces/Xylinum/Black Tea Ferment
(Skin Conditioning)
1
Capryloyl Glycerin/Sebacic Acid Copolymer
(Film Forming, Hair Conditioning, Skin Conditioning, Skin Protecting)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
Daemonorops Draco Extract
(Cosmetic Astringent)
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
Haematococcus Pluvialis Extract
(Antioxidant)
1
Acmella Oleracea Extract
(Skin Protecting)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Triethyl Citrate
(Fragrance, Plasticizer, Antioxidant, Deodorant, Masking, Solvent)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
1
Sodium Levulinate
(Skin Conditioning)
3
A
Potassium Sorbate
(Fragrance, Preservative)
4
B
Salicylic Acid
(Antiacne Agent, Antidandruff Agent, Corn/Callus/Wart Remover, Denaturant, Exfoliant, Fragrance, Hair Conditioning, Skin Conditioning, Keratolytic, Masking, Preservative)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
Carnosine
(Skin Conditioning)
1
Gluconolactone
(Fragrance, Humectant, Solvent)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
1
Saccharomyces Ferment Filtrate
(Humectant)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Sodium Phytate
(Chelating Agent, Oral Care Agent)
Citrus Limon Fruit Extract
(Fragrance, Skin Conditioning)
Coriandrum Sativum Fruit Oil
(Fragrance, Perfuming)
1
A
Maltodextrin
(Absorbent, Binding Agent, Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning, Suspending Agent Nonsurfactant, Binding)
1
Tetrasodium Glutamate Diacetate
(Chelating Agent)
2-Hexanol
(Perfuming)
1
Canarium Luzonicum Gum Nonvolatiles
(Hair Conditioning, Masking)
Piper Nigrum Fruit Oil
(Fragrance, Perfuming)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
Heptapeptide-7
(Skin Conditioning)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
Boswellia Carterii Oil
(Masking, Tonic)
citrus aurantium dulcis peel oil
(Fragrance, Skin Conditioning)
2
Commiphora Myrrha Oil
(Masking, Skin Conditioning, Tonic)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Vetiveria Zizanoides Root Oil
(Masking, Perfuming, Tonic)
Zingiber Officinale Root Oil
(Fragrance, Perfuming, Skin Conditioning, Tonic)
1
A
Calcium Gluconate
(Skin Conditioning, Humectant, Oral Care Agent)
Ferula Galbaniflua Resin Oil
(Antimicrobial, Perfuming, Tonic)
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens

My Ingredient Notes

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Key ingredients

Antioxidants
Shields skin from free radical damage.
BHA
Unclogs pores and reduces excess oil.
PHA
Gently exfoliates and hydrates with less irritation.
Vitamin E
Protects skin and soothes irritation.
Niacinamide
Strengthens, smooths, and brightens skin.
Ceramides
Locks in moisture and supports skin barrier.
Hyaluronic Acid
Hydrates by attracting and holding water.
Peptides
Supports skin hydration and improves firmness.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Barrier RepairStrengthen and restore your skin's natural barrier.
Redness ReducingSoothes visible redness and calms irritation.
Anti-AgingSoftens lines and helps skin look youthful.
Reduces IrritationEases discomfort and supports skin resilience.
BrighteningRestores radiance to dull, tired skin.
Scar HealingImproves the look of marks and scars.
Acne FightingFights acne and helps prevent breakouts.

Concerns

Contains eu allergen
Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Bifida Ferment Lysate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Carthamus Tinctorius Oleosomes
Emulsion stabilising, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Emulsion stabilisingSkin conditioningSkin conditioning emollient
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Saccharomyces/Xylinum/Black Tea Ferment
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Capryloyl Glycerin/Sebacic Acid Copolymer
Film forming, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Film formingHair conditioningSkin conditioningSkin protecting
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Daemonorops Draco Extract
Cosmetic astringent
Low-hazard ingredient.Read moreShow less
EWG 1 Cosmetic astringent
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Haematococcus Pluvialis Extract
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Acmella Oleracea Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
Xanthan Gum
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingSkin conditioningSurfactant -emulsifying agentViscosity increasing agentBindingGel formingViscosity controlling
Triethyl Citrate
Fragrance, Plasticizer
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragrancePlasticizerAntioxidantDeodorantMaskingSolvent
Sodium Benzoate
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A FragrancePreservativeAnticorrosiveMasking
Sodium Levulinate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
+ 22 more — see the full ingredients list above
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
Salicylic Acid
Antiacne agent, Antidandruff agent
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B Antiacne agentAntidandruff agentCorn/callus/wart removerDenaturantExfoliantFragranceHair conditioningSkin conditioningKeratolyticMaskingPreservative Good for Oily SkinBad for Sensitive Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
Commiphora Myrrha Oil
Masking, Skin conditioning
Strong essential oil which can irritate skinRead moreShow less
EWG 2 MaskingSkin conditioningTonic Bad for Sensitive Skin
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 3 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Use with caution
BHA (salicylic) (Salicylic Acid)

Low-strength topical salicylic acid (BHA) is generally considered fine. Caution is usually reserved for high-strength leave-on products and salicylic peels.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

BHA (salicylic) 0.5–2%

Salicylic acid is OTC-capped at 2%; 0.5–2% is the usual leave-on range. Much below that it acts more as a soothing agent than an exfoliant.

Salicylic Acid

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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