Hair Serum
Leave-in Treatment
American United States
Korean South Korea

What's inside

What's inside

Key Ingredients

No key ingredients

Benefits

Concerns

Ingredients Side-by-side

Show highlights for:

Water

Skin Conditioning

Cyclopentasiloxane

Emollient
Silicon Icon

Cetyl Alcohol

Emollient
2 / 2 Fatty Alcohol IconCoconut Derived IconMay worsen Seborrheic Dermatitis IconNot safe for Fungal Acne Icon

Coco-Caprylate/Caprate

Emollient
Coconut Derived Icon

Dipropylene Glycol

Humectant

Stearamidopropyl Dimethylamine

Emulsifying

Dipentaerythrityl Hexahydroxystearate/Hexastearate/Hexarosinate

Skin Conditioning

Nelumbo Nucifera Flower Water

Tonic

Parfum

Masking
Synthetic Fragrance IconFragrance IconMay worsen Eczema IconMay worsen Perioral Dermatitis IconMay worsen Psoriasis IconMay worsen Seborrheic Dermatitis IconMay worsen Keratosis Pilaris IconMay worsen Rosacea Icon

Propanediol

Solvent
Helps hydrate Dry Skin IconGood for Barrier Repair Icon

Lactic Acid

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

Amodimethicone

Silicon Icon

Caprylyl Glycol

Emollient
Fatty Alcohol Icon

Guar Hydroxypropyltrimonium Chloride

Skin Conditioning

Trehalose

Humectant
Helps with Anti-Aging IconHelps hydrate Dry Skin IconGood for Barrier Repair Icon

Ethylhexylglycerin

Skin Conditioning

Trideceth-10

Cleansing

Anthemis Nobilis Flower Water

Masking
Helps reduce irritation IconHelps reduce Skin Redness Icon

1,2-Hexanediol

Skin Conditioning
Helps hydrate Dry Skin Icon

Benzyl Salicylate

Perfuming
Synthetic Fragrance IconFragrance IconMay cause irritation IconEU Allergen Icon

Nelumbo Nucifera Seed Extract

Antimicrobial
Antioxidant Icon

Alpha-Isomethyl Ionone

Perfuming
Synthetic Fragrance IconFragrance IconMay cause irritation IconEU Allergen Icon

Camellia Japonica Seed Oil

Emollient
Oil IconHelps hydrate Dry Skin IconMay worsen Seborrheic Dermatitis IconNot safe for Fungal Acne Icon

PPG-3 Caprylyl Ether

Foam Boosting

Limonene

Perfuming
Fragrance IconMay worsen Eczema IconMay cause irritation IconMay worsen Perioral Dermatitis IconMay worsen Psoriasis IconMay worsen Rosacea IconEU Allergen Icon

Hydroxycitronellal

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

Oleic Acid

Emollient
Bad for Acne Prone Skin IconMay worsen Seborrheic Dermatitis IconMay worsen Keratosis Pilaris IconMay worsen Oily Skin IconNot safe for Fungal Acne Icon

Hexyl Cinnamal

Perfuming
Synthetic Fragrance IconFragrance IconMay cause irritation IconEU Allergen Icon

Linalool

Perfuming
Fragrance IconMay worsen Eczema IconMay cause irritation IconMay worsen Perioral Dermatitis IconMay worsen Psoriasis IconMay worsen Rosacea IconEU Allergen Icon

Glycerin

Humectant
0 / 0 Helps hydrate Dry Skin IconGood for Scar Healing IconGood for Barrier Repair Icon

Citronellol

Perfuming
Fragrance IconMay worsen Eczema IconMay cause irritation IconMay worsen Perioral Dermatitis IconMay worsen Psoriasis IconMay worsen Rosacea IconEU Allergen Icon

Simmondsia Chinensis Seed Oil

Emollient
0-2 / 0 Oil IconHelps hydrate Dry Skin IconGood for Scar Healing IconGood for Barrier Repair IconMay worsen Seborrheic Dermatitis IconNot safe for Fungal Acne Icon

Ceramide NP

Skin Conditioning
Ceramide IconHelps with Anti-Aging IconHelps hydrate Dry Skin IconHelps reduce irritation IconHelps reduce Skin Redness IconGood for Barrier Repair Icon

Cholesterol

Emollient
0 / 0 Helps hydrate Dry Skin IconGood for Barrier Repair Icon

Stearic Acid

Cleansing
2-3 / 0 Helps hydrate Dry Skin IconMay worsen Seborrheic Dermatitis IconMay worsen Oily Skin IconNot safe for Fungal Acne Icon

Linoleic Acid

Cleansing
Helps hydrate Dry Skin IconHelps reduce irritation IconGood for Scar Healing IconGood for Dark Spots IconGood for Barrier Repair IconMay worsen Seborrheic Dermatitis IconNot safe for Fungal Acne Icon

Disodium EDTA

Chelating

Camellia Sinensis Seed Extract

Humectant
Fragrance Icon

Glycine Max Oil

Emollient
Oil Icon

Tocopherol

Antioxidant
0-3 / 0-3 Vitamin E IconAntioxidant IconHelps with Anti-Aging IconHelps hydrate Dry Skin IconHelps brighten skin IconHelps reduce Skin Redness IconGood for Dark Spots IconGood for Barrier Repair Icon

Laminaria Japonica Extract

Skin Protecting
Helps hydrate Dry Skin IconHelps reduce irritation IconHelps reduce Skin Redness Icon

Phytosphingosine

Skin Conditioning
Helps with Anti-Aging IconHelps hydrate Dry Skin IconHelps reduce irritation IconHelps reduce Skin Redness IconGood for Barrier Repair Icon

Hydrogenated Lecithin

Emulsifying
Helps hydrate Dry Skin IconGood for Barrier Repair Icon

Sodium Metaphosphate

Buffering

Avena Sativa Peptide

Skin Conditioning
Peptide IconHelps hydrate Dry Skin Icon

Arginine

Masking
Helps hydrate Dry Skin IconGood for Scar Healing Icon

Serine

Masking
Helps hydrate Dry Skin Icon

Glutamic Acid

Humectant
Helps reduce irritation Icon

Threonine

Helps hydrate Dry Skin Icon

Leucine

Skin Conditioning

Proline

Skin Conditioning
Helps hydrate Dry Skin Icon

Aspartic Acid

Masking
Helps hydrate Dry Skin Icon

Isoleucine

Skin Conditioning

Glycine

Buffering
Helps hydrate Dry Skin Icon

Phenylalanine

Masking
Helps hydrate Dry Skin Icon

Alanine

Masking
Helps hydrate Dry Skin Icon

Tyrosine

Masking

Lysine

Skin Conditioning

Histidine

Humectant
Helps with Anti-Aging IconHelps hydrate Dry Skin Icon

Valine

Masking

Canola Oil

Emollient
Oil IconBad for Acne Prone Skin IconMay worsen Seborrheic Dermatitis IconMay worsen Keratosis Pilaris IconMay worsen Oily Skin IconNot safe for Fungal Acne Icon

Rosmarinus Officinalis Leaf Extract

Antimicrobial

Methionine

Skin Conditioning

Cystine

Masking

Tryptophan

Masking

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Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Skin Conditioning

Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:

The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.

Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.

Learn more about Ethylhexylglycerin
Humectant, Skin Conditioning, Skin Protecting

Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.

Topically, glycerin does several things at once:

Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.

Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.

This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.

Just know very high concentrations (>40%) can feel tacky in low humidity.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

Learn more about Glycerin
Buffering, Humectant, Skin Conditioning

Lactic Acid is another well-loved alpha hydroxy acid (AHA). It is gentler than glycolic acid but still highly effective.

Its main role is to exfoliate the surface of the skin by loosening the “glue” that holds dead skin cells together. Shedding those old cells leads to smoother, softer, and more even-toned skin.

Because lactic acid molecules are larger than glycolic acid, they don’t penetrate as deeply. This means they’re less likely to sting or irritate, making it a great choice for beginners or those with sensitive skin.

Like glycolic acid, it can:

Lactic acid also acts as a humectant (like hyaluronic acid). It can draw water into the skin to improve hydration and also plays a role in the skin's natural moisturizing factor (NMF) in the form of sodium lactate.

Studies show it can boost ceramide production to strengthen the skin barrier and even help balance the skin’s microbiome.

To get results, choose products with a pH between 3-4.

Lower strengths (5-12%) focus on surface exfoliation; higher strengths (12% and up) can reach deeper in the dermis (deeper, supportive layer) to improve skin texture and firmness over time.

Though it was originally derived from milk, most modern lactic acid used in skincare is vegan. It is made through non-dairy fermentation to create a bio-identical and stable form suitable for all formulations.

When lactic acid shows up near the end of an ingredient list, it usually means the brand added just a tiny amount to adjust the product’s pH.

Legend has it that Cleopatra used to bathe in sour milk to help reduce wrinkles.

Lactic acid is truly a gentle multitasker: it exfoliates, hydrates, strengthens, and brightens. It's a great ingredient for giving your skin a smooth, glowing, and healthy look without the harshness of stronger acids.

Read more about some other popular AHA's here:

Learn more about Lactic Acid
Masking, Perfuming

Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.

Also called "fragrance", this ingredient can be a blend of hundreds of chemicals or plant oils. This means every product with "fragrance" or "parfum" in the ingredients list is a different mixture.

For instance, Habanolide is a proprietary trade name for a specific aroma chemical. When used as a fragrance ingredient in cosmetics, most aroma chemicals fall under the broad labeling category of “FRAGRANCE” or “PARFUM” according to EU and US regulations.

The term 'parfum' or 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term.

For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance by INCI standards.

One example is Calendula flower extract. Calendula is an essential oil that still imparts a scent or 'fragrance'.

Depending on the blend, the ingredients in the mixture can cause allergies and sensitivities on the skin. Some ingredients that are known EU allergens include linalool and citronellol.

Parfum can also be used to mask or cover an unpleasant scent.

The bottom line is: not all fragrances/parfum/ingredients are created equally. If you are worried about fragrances, we recommend taking a closer look at an ingredient. And of course, we always recommend speaking with a professional.

Learn more about Parfum
Skin Conditioning, Solvent

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!

Learn more about Water

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