Retino Collagen Guasha Lifting Serum

CKD GUARANTEED

Where to buy Possibly in stock

About this product

The CKD GUARANTEED Retino Collagen Guasha Lifting Serum is a serums, essence, ampoule. Our analysis of its 68 ingredients (53 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
68
Low-risk
53
Fragrance
Fragrance-free
Origin
South Korea
Data updated
Jun 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 22/11
Good for dry skin
Glyceryl Stearate Citrate Macadamia Ternifolia Seed Oil Anhydroxylitol Betaine Sodium Hyaluronate Crosspolymer Squalane Xylitol Xylitylglucoside Caprylic/Capric Triglyceride Butylene Glycol Sodium Hyaluronate Glycerin Cholesterol Triisostearin Polyglyceryl-3 Distearate Polyglyceryl-3 Methylglucose Distearate Hydrolyzed Glycosaminoglycans Hydrolyzed Elastin Hydrolyzed Collagen Hydrolyzed Hyaluronic Acid Hyaluronic Acid Hydrogenated Polydecene
Caution for dry skin
Caprylyl/Capryl Glucoside Glycerin Potassium Cetyl Phosphate Polyglyceryl-10 Laurate Polyglyceryl-3 Distearate Polyglyceryl-3 Methylglucose Distearate Ceteth-5 Hydrogenated Lecithin PEG-5 Rapeseed Sterol Silica Ceteth-3
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Sodium Ascorbyl Phosphate
Sensitive Skin 5/6
Good for sensitive skin
Sodium Ascorbyl Phosphate Glycerin Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate Tocopheryl Acetate Hydrolyzed Collagen Extract
Caution for sensitive skin
Dipropylene Glycol Caprylic/Capric Triglyceride Butylene Glycol Glycerin Tromethamine Hydrogenated Polydecene

Ingredients list

68 total
Lower hazard (1) Higher hazard (6)
All68 Skin Conditioning60 Humectant16 Viscosity Controlling13 Hair Conditioning11 Solvent11 Emulsifying10 Emollient10 Fragrance9
EWG CIR Ingredient Name & Cosmetic Functions Notes
Hydrolyzed Collagen Extract
(Skin Protecting)
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
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
Water
(Solvent)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
A
1,2-Hexanediol
(Solvent)
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
B
Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
Xylitylglucoside
(Humectant, Skin Conditioning)
Chondrus Crispus Extract
(Skin Conditioning, Viscosity Controlling)
1
Anhydroxylitol
(Humectant, Skin Conditioning)
1
Polyglyceryl-3 Distearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
Saccharum Officinarum Extract
(Moisturising, Skin Conditioning)
2
A
Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant)
1
Ammonium Acryloyldimethyltaurate/VP Copolymer
(Viscosity Controlling)
2
A
Tromethamine
(Fragrance, Ph Adjuster, Buffering Agent, Masking)
1
Xylitol
(Flavoring Agent, Humectant, Skin Conditioning)
1
Macadamia Ternifolia Seed Oil
(Emollient)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
Adenosine
(Skin Conditioning)
Citrus Aurantium Bergamia Fruit Oil
(Fragrance, Perfuming)
limnanthes alba seed oil
(Skin Conditioning)
2
A
Hydrogenated Polydecene
(Fragrance, Hair Conditioning, Skin Conditioning, Emollient, Solvent)
1
A
Triisostearin
(Viscosity Increasing Agent, Emollient, Skin Conditioning, Solvent, Viscosity Controlling)
lavandula angustifolia oil
(Fragrance, Tonic)
1
B
Glyceryl Stearate Citrate
(Skin Conditioning, Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
Sodium Phytate
(Chelating Agent, Oral Care Agent)
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling)
Salvia Sclarea Oil
(Fragrance, Tonic)
1
Palmitoyl Tripeptide-5
(Skin Conditioning)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
1
Phellinus Linteus Extract
(Skin Conditioning)
1
B
Polyglyceryl-10 Laurate
(Skin Conditioning, Emulsifying, Surfactant)
1
Polyglyceryl-3 Methylglucose Distearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
Caesalpinia Spinosa Fruit Extract
(Skin Protecting)
1
A
Beta-Glucan
(Bulking Agent, Skin Conditioning)
1
A
Cholesterol
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Emollient, Emulsifying, Stabilising, Viscosity Controlling)
Brassica Campestris Sterols
(Skin Conditioning, Skin Conditioning Emollient)
3
PEG-5 Rapeseed Sterol
(Sufactant, Surfactant, Emulsifying)
5
6
Retinal
(Skin Conditioning)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
Kappaphycus Alvarezii Extract
(Skin Conditioning)
B
Ceteth-3
(Emulsifying, Surfactant)
2
B
Ceteth-5
(Emulsifying, Surfactant)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
Aluminum/Magnesium Hydroxide Stearate
(Emulsion Stabilising, Viscosity Controlling)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
1
Sodium Hyaluronate Crosspolymer
(Humectant, Skin Conditioning)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
Hydrolyzed Glycosaminoglycans
(Hair Conditioning, Skin Conditioning, Humectant)
1
B
Potassium Cetyl Phosphate
(Emulsifying, Surfactant)
1
A
Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate
(Antioxidant)
1
A
Sodium Ascorbyl Phosphate
(Antioxidant)
Benzyl Glycol
(Solvent)
1
Hydrolyzed Hyaluronic Acid
(Hair Conditioning, Humectant, Skin Conditioning)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
1
Hydrolyzed Elastin
(Antistatic Agent, Film Forming, Hair Conditioning, Humectant, Skin Conditioning)
1
Sodium DNA
(Skin Conditioning)
1
A
Hydrolyzed Collagen
(Hair Conditioning, Nail Conditioning Agent, Skin Conditioning, Antistatic Agent, Emollient, Film Forming, Humectant)
1
Caprylyl/Capryl Glucoside
(Cleansing, Foaming, Surfactant)
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)
1
A
Pullulan
(Binding Agent, Film Forming, Binding)

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

Hyaluronic Acid
Hydrates by attracting and holding water.
Antioxidants
Shields skin from free radical damage.
Vitamin E
Protects skin and soothes irritation.
Retinoid
Visibly reduces the signs of aging.
Vitamin C
Brightens, evens tone, and supports collagen.
Niacinamide
Strengthens, smooths, and brightens skin.
Ceramides
Locks in moisture and supports skin barrier.
Peptides
Supports skin hydration and improves firmness.

Benefits

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

Concerns

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

Ingredients explained

Hydrolyzed Collagen Extract
Skin protecting
Limited public safety data.Read moreShow less
EWG N/A Skin protecting
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
1,2-Hexanediol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Solvent
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Betaine
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioningViscosity controlling
Xylitylglucoside
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Chondrus Crispus Extract
Skin conditioning, Viscosity controlling
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningViscosity controlling
Anhydroxylitol
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Polyglyceryl-3 Distearate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningEmollientEmulsifyingSurfactant
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Saccharum Officinarum Extract
Moisturising, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A MoisturisingSkin conditioning
Hydrogenated Lecithin
Skin conditioning, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Skin conditioningEmulsifyingSurfactantSuspending agent- nonsurfactant
+ 46 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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Glyceryl Stearate Citrate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientEmulsifying Fungal-acne trigger
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Retinal
Skin conditioning
Moderate-hazard ingredient.Read moreShow less
EWG 5–6 Skin conditioning
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Evening: Use at night — start 2–3× a week and build up as your skin tolerates it.
  • 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.

Often avoided
Retinoids (Vitamin A) (Retinal)

Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.

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.

Retinoids (Vitamin A) 0.01–1%

Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.

Retinal

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.

Sodium Ascorbyl Phosphate

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

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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