Mandelic Acid Radiance Serum

Colleen Rothschild

Where to buy Possibly in stock

About this product

The Colleen Rothschild Mandelic Acid Radiance Serum is a serums, essence, ampoule. Our analysis of its 31 ingredients (20 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
31
Low-risk
20
Fragrance
Fragrance-free
Origin
United States
Data updated
May 2026

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 6/9
Good for dry skin
Caprylic/Capric Triglyceride Glycerin PPG-12/SMDI Copolymer Camellia Sinensis Leaf Extract Lactic Acid Lecithin
Caution for dry skin
Morinda Citrifolia Extract Lycium Barbarum Fruit Extract Xanthan Gum Glycerin Salicylic Acid Camellia Sinensis Leaf Extract Sodium Hydroxide Polysorbate 20 Lecithin
Oily/Acne-Prone Skin 4/0
Good for oily/acne-prone skin
Morinda Citrifolia Extract Lycium Barbarum Fruit Extract Salicylic Acid Camellia Sinensis Leaf Extract
Sensitive Skin 4/6
Good for sensitive skin
Ergothioneine Glycerin Tetrahexyldecyl Ascorbate Camellia Sinensis Leaf Extract
Caution for sensitive skin
Galactoarabinan Caprylic/Capric Triglyceride Glycerin Salicylic Acid Camellia Sinensis Leaf Extract Lactic Acid

Ingredients list

31 total
Lower hazard (1) Higher hazard (4)
All31 Skin Conditioning27 Fragrance7 Film Forming5 Emulsion Stabilising4 Emollient4 Humectant4 Hair Conditioning4 Astringent3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Mandelic Acid
(Antimicrobial)
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Potassium Azeloyl Diglycinate
(Skin Conditioning)
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
Hexanoyl Dipeptide-3 Norleucine Acetate
(Skin Conditioning)
1
Ergothioneine
(Antioxidant)
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
1
Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning)
1
B
Camellia Sinensis Leaf Extract
(Antimicrobial, Antioxidant, Astringent, Emollient, Humectant, Masking, Oral Care Agent, Skin Conditioning, Skin Protecting, Tonic, Uv Absorber)
Good for Oily Skin
Good for Oily Skin
Pyrus Malus Fruit Extract
(Skin Conditioning)
Saccharum Officinarum Extract
(Moisturising, Skin Conditioning)
Garcinia Mangostana Fruit Extract
(Skin Conditioning)
Punica Granatum Fruit Extract
(Skin Conditioning)
1
Lycium Barbarum Fruit Extract
(Astringent, Hair Conditioning, Skin Conditioning)
1
Euterpe Oleracea Fruit Extract
(Hair Conditioning)
1
Morinda Citrifolia Extract
(Astringent)
Coffea Arabica Seed Extract
(Fragrance, Skin Conditioning)
Citrus Aurantium Dulcis Fruit Extract
(Fragrance, Skin Conditioning)
Citrus Limon Fruit Extract
(Fragrance, Skin Conditioning)
1
Salicornia Herbacea Extract
(Skin Conditioning)
Citrus Aurantium Amara Peel Oil
(Skin Conditioning)
Glycine Soja Extract
(Skin Conditioning)
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
PPG-12/SMDI Copolymer
(Emollient, Film Forming, Hair Fixing, Skin Conditioning)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
A
Galactoarabinan
(Film Forming, Fragrance)
1
A
Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Antioxidants
Shields skin from free radical damage.
AHA
Exfoliates skin for a brighter complexion.
BHA
Unclogs pores and reduces excess oil.
Vitamin C
Brightens, evens tone, and supports collagen.
Peptides
Supports skin hydration and improves firmness.
Azelaic Acid
Gently exfoliates and reduces inflammation.
Show all 6 key ingredients

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Reduces IrritationEases discomfort and supports skin resilience.
BrighteningRestores radiance to dull, tired skin.
Good For Oily SkinBalances oil and helps reduce shine.
Reduces Large PoresMinimizes the look of enlarged pores.
Redness ReducingSoothes visible redness and calms irritation.
Dark SpotsFades dark spots for even skin tone.
Anti-AgingSoftens lines and helps skin look youthful.

Concerns

Not fungal acne (malassezia) safe
May not suit dry skin
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Mandelic Acid
Antimicrobial
Low-hazard ingredient.Read moreShow less
EWG 1 Antimicrobial
Potassium Azeloyl Diglycinate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Hexanoyl Dipeptide-3 Norleucine Acetate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Ergothioneine
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Tetrahexyldecyl Ascorbate
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Pyrus Malus Fruit Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Saccharum Officinarum Extract
Moisturising, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A MoisturisingSkin conditioning
Garcinia Mangostana Fruit Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Punica Granatum Fruit Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Lycium Barbarum Fruit Extract
Astringent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AstringentHair conditioningSkin conditioning
Euterpe Oleracea Fruit Extract
Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioning
Morinda Citrifolia Extract
Astringent
Low-hazard ingredient.Read moreShow less
EWG 1 Astringent
Coffea Arabica Seed Extract
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioning
Citrus Aurantium Dulcis Fruit Extract
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioning
+ 11 more — see the full ingredients list above
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger
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
Camellia Sinensis Leaf Extract
Antimicrobial, Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B AntimicrobialAntioxidantAstringentEmollientHumectantMaskingOral care agentSkin conditioningSkin protectingTonicUv absorber Good for Oily Skin
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

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.
  • 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.

Vitamin C (ascorbic) 5–20%

L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.

Tetrahexyldecyl Ascorbate

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

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Mandelic Acid, Lactic 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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