K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo
Sunday Riley Clean Rinse Clarifying Scalp Serum
Versus

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo Versus Sunday Riley Clean Rinse Clarifying Scalp Serum

Shampoo
Scalp Treatment
American Brand United States
American Brand United States

Updated on May 29, 2025

Overview

What they are

These products are both vegan, cruelty-free, and reef safe . They have a total of 0 ingredients in common

Cool Features

They both contain BHA and exfoliants

Suited For

They're both likely to be good for fighting acne, dry skin, brightening skin, sensitive skin, oily skin, reducing pores and scar healing

Free From

They both do not contain any oils, parabens, silicones or sulfates

What's Inside

They both contain fragrances

We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.

New Comparison

Ingredient Info

Click any item below to learn more and see relevant ingredients

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo 18 ingredients

Sunday Riley Clean Rinse Clarifying Scalp Serum 43 ingredients

What's inside (and what isn't)

What's inside (and what isn't)

At a glance

Click on any of the items below to learn more

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo 18 ingredients

Sunday Riley Clean Rinse Clarifying Scalp Serum 43 ingredients

Key Ingredients

Benefits

Concerns

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
PEPTIDE PREP™ Clarifying Detox Shampoo

Water

Skin Conditioning

Sodium C14-16 Olefin Sulfonate

Cleansing
May cause irritation Icon

Cocamidopropyl Hydroxysultaine

Cleansing

Salicylic Acid

Masking
BHA IconPreservative IconGood for Oily Skin IconGood for Minimizing Pores IconHelps fight Acne IconHelps brighten skin IconCan worsen Dry Skin IconMay worsen Eczema IconMay worsen Rosacea Icon

Charcoal Powder

Abrasive
Exfoliant IconGood for Oily Skin IconHelps fight Acne Icon

Sh-Oligopeptide-78

Peptide Icon

Panthenol

Skin Conditioning
0 / 0 Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Scar Healing Icon

Glycerin

Humectant
0 / 0 Helps hydrate Dry Skin IconGood for Scar Healing IconHelps brighten skin Icon

Sodium Phytate

Guar Hydroxypropyltrimonium Chloride

Skin Conditioning

Caprylyl Glycol

Emollient

Caprylhydroxamic Acid

Citric Acid

Buffering
AHA IconGood for Oily Skin IconGood for Skin Texture IconGood for Minimizing Pores IconGood for Scar Healing IconHelps brighten skin IconMay worsen Rosacea Icon

Potassium Hydroxide

Buffering

Sodium Hydroxide

Buffering

Parfum

Masking
Fragrance IconMay worsen Eczema IconMay worsen Rosacea Icon

Benzyl Salicylate

Perfuming
Fragrance IconMay cause irritation IconEU Allergen Icon

Limonene

Perfuming
Fragrance IconMay cause irritation IconEU Allergen IconMay worsen Eczema IconMay worsen Rosacea Icon

Water, Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Hydroxysultaine, Salicylic Acid, Charcoal Powder, Sh-Oligopeptide-78, Panthenol, Glycerin, Sodium Phytate, Guar Hydroxypropyltrimonium Chloride, Caprylyl Glycol, Caprylhydroxamic Acid, Citric Acid, Potassium Hydroxide, Sodium Hydroxide, Parfum, Benzyl Salicylate, Limonene

Clean Rinse Clarifying Scalp Serum

Water

Skin Conditioning

Propanediol

Solvent
Helps hydrate Dry Skin Icon

Glycolipids

Skin Conditioning

PEG-7 Glyceryl Cocoate

Emulsifying
Can worsen Dry Skin IconNot safe for Fungal Acne Icon

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Emulsion Stabilising

Quaternium-80

Polysorbate 20

Emulsifying
0 / 0 Not safe for Fungal Acne Icon

Zinc PCA

Humectant
Good for Oily Skin IconHelps reduce Skin Redness IconGood for Scar Healing IconHelps fight Acne Icon

Kaolin

Abrasive
0 / 0 Exfoliant IconGood for Oily Skin IconGood for Minimizing Pores IconHelps fight Acne Icon

Menthyl Nicotinate

Humectant

Glycolic Acid

Buffering
AHA IconGood for Oily Skin IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne IconHelps brighten skin IconMay worsen Rosacea Icon

Cocamidopropyl Dimethylamine

Emulsifying

Pentylene Glycol

Skin Conditioning

Urea

Buffering
Helps hydrate Dry Skin IconGood for Skin Texture IconMay worsen Eczema IconMay worsen Rosacea Icon

Niacinamide

Smoothing
Niacinamide IconGood for Oily Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne IconHelps brighten skin Icon

Linoleic Acid

Cleansing
Helps hydrate Dry Skin IconHelps reduce irritation IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne IconMay worsen Oily Skin IconBad for Acne Prone Skin IconNot safe for Fungal Acne Icon

Linolenic Acid

Cleansing
Fragrance IconHelps hydrate Dry Skin IconHelps reduce irritation IconGood for Dark Spots IconNot safe for Fungal Acne Icon

Hamamelis Virginiana Water

Astringent
Can worsen Dry Skin IconMay worsen Eczema IconMay worsen Rosacea Icon

Sodium Lactate

Buffering

Sodium PCA

Humectant
0 / 0 Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation Icon

Panthenol

Skin Conditioning
0 / 0 Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Scar Healing Icon

Propylene Glycol

Humectant
0 / 0 Helps hydrate Dry Skin IconMay worsen Eczema IconMay worsen Rosacea Icon

Salicylic Acid

Masking
BHA IconPreservative IconGood for Oily Skin IconGood for Minimizing Pores IconHelps fight Acne IconHelps brighten skin IconCan worsen Dry Skin IconMay worsen Eczema IconMay worsen Rosacea Icon

CI 77891

Cosmetic Colorant

Sodium Starch Octenylsuccinate

Absorbent

Calcium Pantothenate

Maltodextrin

Absorbent
Helps hydrate Dry Skin Icon

Sodium Benzoate

Masking
Preservative Icon

Jasminum Sambac Flower Extract

Masking
Fragrance Icon

Potassium Sorbate

Preservative
Preservative Icon

Sodium Phytate

Sodium Ascorbyl Phosphate

Antioxidant
Vitamin C IconAntioxidant IconHelps reduce Skin Redness IconGood for Skin Texture IconGood for Minimizing Pores IconHelps brighten skin Icon

Rosa Damascena Flower Extract

Masking

Tocopheryl Acetate

Antioxidant
0 / 0 Vitamin E IconAntioxidant Icon

Pyridoxine Hcl

Skin Conditioning

Alcohol

Antimicrobial
Alcohol IconCan worsen Dry Skin IconMay worsen Oily Skin IconMay cause irritation IconMay worsen Eczema IconMay worsen Rosacea Icon

Glycine

Buffering
Helps hydrate Dry Skin Icon

Fructose

Humectant
Helps hydrate Dry Skin Icon

Inositol

Humectant
Helps hydrate Dry Skin Icon

Lactic Acid

Buffering
AHA IconGood for Oily Skin IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps brighten skin IconMay worsen Eczema IconMay worsen Rosacea Icon

Bisabolol

Masking
Helps reduce Skin Redness IconHelps reduce irritation IconGood for Dark Spots Icon

Silica

Abrasive
Exfoliant IconMay worsen Eczema IconMay worsen Rosacea Icon

Synthetic Fluorphlogopite

Water, Propanediol, Glycolipids, PEG-7 Glyceryl Cocoate, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Quaternium-80, Polysorbate 20, Zinc PCA, Kaolin, Menthyl Nicotinate, Glycolic Acid, Cocamidopropyl Dimethylamine, Pentylene Glycol, Urea, Niacinamide, Linoleic Acid, Linolenic Acid, Hamamelis Virginiana Water, Sodium Lactate, Sodium PCA, Panthenol, Propylene Glycol, Salicylic Acid, CI 77891, Sodium Starch Octenylsuccinate, Calcium Pantothenate, Maltodextrin, Sodium Benzoate, Jasminum Sambac Flower Extract, Potassium Sorbate, Sodium Phytate, Sodium Ascorbyl Phosphate, Rosa Damascena Flower Extract, Tocopheryl Acetate, Pyridoxine Hcl, Alcohol, Glycine, Fructose, Inositol, Lactic Acid, Bisabolol, Silica, Synthetic Fluorphlogopite

Ingredient Ratings

Here's what our community thinks of the ingredients in these products.

PEPTIDE PREP™ Clarifying Detox Shampoo
10
10
10
liked
mixed
disliked
Unlock with Premium
Clean Rinse Clarifying Scalp Serum
10
10
10
liked
mixed
disliked
not rated
Unlock with Premium

When to use

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo 18 ingredients

Sunday Riley Clean Rinse Clarifying Scalp Serum 43 ingredients

30 Routines
40% use in am
60% use in pm
53% use every day
When to use See routines that use it ->
1 Routine
0% use in am
100% use in pm
100% use every day

Reviews

Here's what our community thinks

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo 18 ingredients

4.50
Overall rating
5
4
3
2
1
What people say
Cleansing 100% Straight Hair 67% Color Care 33%
See all reviews for PEPTIDE PREP™ Clarifying Detox Shampoo

Sunday Riley Clean Rinse Clarifying Scalp Serum 43 ingredients

No reviews yet

Be the first to review Clean Rinse Clarifying Scalp Serum

Write the first review
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