What is Betaine?

Hair conditioning

Betaine is a hair conditioner that smooths and softens the hair.

This ingredient is listed in CosIng, the EU's cosmetic ingredient database. CosIng lists what it's used for as: Hair conditioning, Humectant, Skin conditioning, humectant.

CosIng function classes are the EU's standard list of the jobs an ingredient does inside a product, such as moisturizing, emulsifying, or preserving.

Which products feature it?

59 of the 2320 products we've checked feature this as a key ingredient. Products that disclose a concentration or list it near the top of the ingredient list come first.

Showing 1 to 12.

Nature Republic
Man In Blue All In One Moisturizer
Key: Betaine (#4 on the ingredient list), Hyaluronic Acid, Saccharomyces Ferment Filtrate
Official (Korean)
HYGGEE
Relief Chamomile Mist
It's made for better hydration and calmer skin.
Key: Betaine (#4 on the ingredient list), Chamomilla Recutita (Matricaria) Flower Extract, Sodium Guaiazulene Sulfonate
Official (Korean)
27 claims, summarized
Only partly backed:
better hydration (amount unknown) · calmer skin (amount unknown)
Free of:
the ingredients it lists
Tests passed:
skin irritation
See each claim
claims, checked
Relief Chamomile Mist contains no artificial fragrances or artificial colors.backed by evidence
Mist spray mist, uniform fine spray without clumping.plausible, not tested
Soft, uniform fine spray without clumping.plausible, not tested
Fine water particles are evenly applied to the entire face.plausible, not tested
Supplies moisture to the skin, caring for the balance broken by dryness with a dewy feel.plausible, not tested
The color and scent of the product are inherent to the chamomile extract, so you can use it with confidence.plausible, not tested
Chamomile moisture soothing mist that fills every gap with mist spray.partly backed
A mist that delivers chamomile moisture and soothing through mist spray with no gaps.partly backed
Chamomile extract, a low-irritation soothing care delivered by pure chamomile.partly backed
Azulene*, a rich soothing ingredient extracted from chamomile flowers, calms skin that has become sensitive to external stimuli.partly backed
Water mist that delivers rapid moisture charge and hydration to parched skin.partly backed
Betaine, which balances oil and moisture, maintains a refreshing moisture barrier.partly backed
Since it does not use gas, you can use it without worrying about irritation.partly backed
A low-irritation soothing mist to use with peace of mind.partly backed
Irritation level 0.00, even sensitive, problematic skin can use it with confidence.partly backed
Human application test completed.partly backed
Irritation index 0.00 test completed.partly backed
Primary skin irritation test completed.partly backed
Containing premium chamomile extract, it helps soothe skin that has become heated by external irritation.partly backed
Formulated with a cica complex effective for soothing and moisturizing, it helps restore skin condition.partly backed
A mist that uses no gas, with fine mist particles enveloping the skin without gaps.partly backed
Rapid moisture soothing care for parched skin.no supporting source found
Rapid moisture charge, a moist sensation felt immediately.no supporting source found
Premium chamomile extract* is contained richly, like brewing tea, to preserve its unique color and fragrance.no supporting source found
#SoothingChamomile #RapidMoistureCharge #MistSprayMistnothing specific to check
Chamomile extract that soothes tired skin.nothing specific to check
Chamomile moisture care for sensitive skin, a soothing mist that seeps in like mist.nothing specific to check
ETUDE
SoonJung pH 5.5 Relief Toner
It's made for calmer skin and better barrier support.
Key: Betaine (#4 on the ingredient list), Panthenol, Madecassoside
Olive Young US Amazon· Seller not confirmed Brand store
7 claims, summarized
Only partly backed:
calmer skin (supplier data) · better barrier support (supplier data)
Don't count on:
better hydration
Free of:
10 listed ingredients
Tests passed:
hypoallergenic · skin irritation
See each claim
claims, checked
Panthenoside™ (panthenol + madecassoside) strengthens the skin barrier and soothes and protects dry or irritated skin (limited to the properties of the raw material).plausible, not tested
With a mildly acidic pH 5.5 formula and a refreshing water-based texture, it is gently absorbed into the skin immediately after cleansing, quickly replenishing moisture.partly backed
With a clean formula free of 10 ingredients, it can be gently used even on sensitive skin (no animal-derived ingredients, mineral oil, polyacrylamide, imidazolidinyl urea, triethanolamine, synthetic colorants, silicone oil, parabens, fragrance, PEG surfactants).partly backed
It was determined to have a skin irritation score of 0.00 in the primary skin irritation test for sensitive skin (2017.07.11~2017.07.13, 31 adult women with sensitized skin, Amorepacific R&I Center).partly backed
It was judged not to cause hypersensitivity reactions on the skin in a hypoallergenic RIPT (2016.12.05~2017.01.13, 51 adults).partly backed
High-moisture formula with 98.3% moisture and moisturizing ingredients.no supporting source found
Cooling Relief™ soothes irritated skin with a refreshing cooling sensation.no supporting source found
THE LAB by blanc doux
Clear Hyal Dewy Cream
Key: Betaine (#5 on the ingredient list), Hyaluronic Acid, Panthenol
LEADERS
Cooling Soothing Pad
Key: Betaine (#5 on the ingredient list), Centella Asiatica Leaf Extract, Asiaticoside
Official (Korean)
1 claim checked
claims, checked
After cleansing, gently wipe over the entire face except the eye area along the skin texture. Pat any remaining essence lightly into the skin.plausible, not tested
sidmool
All In Dr. Modelling Powder
It's made for a smoother skin texture.
Key: Betaine (#6 on the ingredient list), Diatomaceous Earth 80%, Algin
Official (Korean)
8 claims, summarized
Only partly backed:
a smoother skin texture
Don't count on:
less visible pores · less shine · better hydration
See each claim
claims, checked
Because it is made without applying fragrances and colors, you can feel the original scent and color of the ingredients.backed by evidence
American diatomaceous earth.plausible, not tested
Dead skin cell care.plausible, not tested
Contains betaine to manage unnecessary oil and sebum on skin and pores.overstated
Because it is made with complex beauty ingredients, it is a good product to use on skin with sensitivity, ACN, and dead skin concerns.no supporting source found
It is a natural functional derma cosmetic to help solve skin concerns.no supporting source found
The diatomaceous earth ingredient supplies intensive moisture to the skin.contradicted by sources
Modeling powder for healthy and clean skin.nothing specific to check
S.NATURE
Aqua Oasis Toner
It's made for a smoother skin texture.
Key: Betaine (#6 on the ingredient list), Gluconolactone, Papain
Olive Young US Amazon Brand store Official (Korean)
9 claims, summarized
Only partly backed:
a smoother skin texture (amount unknown)
Don't count on:
better hydration · less visible pores
See each claim
claims, checked
Vegan formulationplausible, not tested
Watery texture, fast absorption, fresh finishplausible, not tested
The first step after washing! Dense moisture charging & soothing, putting skin texture in orderpartly backed
Gentle exfoliation care based on PHA (gluconolactone)partly backed
Daily use morning and eveningpartly backed
Deep moisture supply with "Aquaxyl (patented ingredient)" and "8 types of hyaluronic acid"overstated
For all skin typesoverstated
Putting sebum inside pores in orderno supporting source found
Hypoallergenic (low irritation) formulationno supporting source found
MAMONDE
Calming Shot Azulene Ampoule
It's made for better hydration and calmer skin.
Key: Betaine (#6 on the ingredient list), Niacinamide, Guaiazulene
Brand store Official (Korean)
28 claims, summarized
Only partly backed:
better hydration · calmer skin · less shine · less visible dark spots
Free of:
8 listed ingredients
Tests passed:
skin irritation
See each claim
claims, checked
Deep moisture, fast soothing, and cleanly clears troubles*, blemish marks and traces! High-purity azulene mark-soothing moisture ampoulepartly backed
Skin surface & inner moisture recharge, pigmentation improvement, skin soothingpartly backed
Blue.C Azulene, Niacinamidepartly backed
Pigmentation area 2-week improvement -16.4%partly backed
Immediately after use, compared to no application, skin 10 layers* +209.67%partly backed
Rapid cooling after just one use -5.17℃partly backed
After 2 weeks of use, compared to before use, number of pigmentation marks -16.3%partly backed
After 2 weeks of use, compared to before use, number of red marks* -13.46%partly backed
After 2 weeks of use, compared to before use, number of brown marks* -3.2%partly backed
Immediately after use, compared to before use, redness* -4.3%partly backed
Skin 10 layers* inner moisture increasepartly backed
Immediately after use, compared to before use, sebum decrease -5.14%partly backed
Immediately after use, compared to before use, moisture increase +23.79%partly backed
Soothing, sebum care, barrier strengthening effects, and niacinamide 40,000ppm, a whitening functional ingredientpartly backed
This product showed no significant skin irritation response in the primary skin irritation test. (score 0.0)partly backed
Vegan certification complete: 0% animal-derived ingredients (officially certified by Korea Vegan Certification Institute)partly backed
New formula* filled with moisturepartly backed
Water jelly ampoule formula with a blue color derived from azulene, soothing just from looking at itpartly backed
Cooling tail effect that stretches and sustains the initial cooling sensation upon usepartly backed
Excludes 8 unnecessary ingredientspartly backed
Perceived skin texture improvement +19.6%no supporting source found
Perceived oiliness improvement +20.6%no supporting source found
- Immediately after use -23.95%no supporting source found
Overall satisfaction - 100%no supporting source found
Azulene with soothing power faster than cicano supporting source found
99% high-purity azulene extracted from chamomileno supporting source found
Dermatology test completed: DERMATOLOGICALLY TESTEDno supporting source found
Compared to existing Mamonde liquid formula moisture ampoule, the more you roll on skin, the more dramatic the absorptionno supporting source found
Dr.Jart+
Dr.Jart+ Dermask Hydro Firming Mask
Key: Betaine (#6 on the ingredient list), Hydrolyzed Collagen, Panthenol
Cell Fusion C
First Cooling Mask
Key: Betaine (#6 on the ingredient list), Panthenol, Adenosine
Official (Korean)
2 claims checked
claims, checked
✔️ Heated skin temperature -5℃ instant cooling✔️ Moisture&Elasticity filled along with a cooling sensation✔️ Seamlessly and transparently adheres with a pure cotton cooling sheetoverstated
Temporary skin temperature decrease test completedno supporting source found
DEWYTREE
Hi Amino All Cleansing Milk
It's made for better hydration.
Key: Betaine (#6 on the ingredient list), Sodium Lauroyl Oat Amino Acids, Sodium Cocoyl Apple Amino Acids
Official (Korean)
30 claims, summarized
Only partly backed:
better hydration · better barrier support · less visible pores
See each claim
claims, checked
Mild, hydrating cleansing milk that adds moisture to cleansingplausible, not tested
Oil ingredients that remove impurities and water ingredients that wash away impurities are already mixed, so surfactant particles help to gently remove impurities from the skin, and moisture is maintained even after cleansing.plausible, not tested
Improves inner moisture after cleansingpartly backed
Powerful point makeup cleansing power, 99% cleansingpartly backed
Contains naturally-derived amino acid surfactantpartly backed
Ultra-fine dust 92% cleansingpartly backed
Mild cleansing / Skin barrier protection / Moist finishpartly backed
On the other hand, non-ionic surfactants, which utilize the emulsifying action of water and oil, protect the skin barrier and allow gentle cleansing.partly backed
4.28% inner moisture improvementpartly backed
Ultra-fine dust cleansing effect +92%partly backed
Point makeup cleansing effect +99%partly backed
Product satisfaction 100%partly backed
Satisfaction with fine dust and residue removal 100%partly backed
Pore sebum improvement satisfaction 100%partly backed
Moisture satisfaction after product use 100%partly backed
Makeup cleansing satisfaction 100%partly backed
Clinically verified powerful all-cleansing effectoverstated
Base makeup cleansing effect +95%overstated
A product containing milk with a milk-like formulaoverstated
Protects the skin barrier with milk protein extract, and helps moisturize with hyaluronic acid and ceramide.overstated
No. 1 in cleansing sales at Olive Youngno supporting source found
20 consecutive weeks at #1, Hall of Fameno supporting source found
Amino acids are a major component, accounting for 40% of the natural moisturizing factor (N.M.F) that is responsible for the moisture in our skin, and are a moisturizing ingredient that prevents moisture evaporation.no supporting source found
A slightly acidic solution you want to use every dayno supporting source found
Maintains a pH between 3-5, the skin's most comfortable state, helping to care for the skin healthily.no supporting source found
Milder, more moist, and cleanernothing specific to check
The nation's cleansing milknothing specific to check
Cleansing done, skincare begins!nothing specific to check
The simplest way to protect my skin every day, cleansing milknothing specific to check
A soft lotion formula that the skin notices firstnothing specific to check
BAEGAYUL
Moisture Balancing Mask
It's made for better hydration.
Key: Betaine (#6 on the ingredient list), Hyaluronic Acid, Glycerin
14 claims, summarized
Only partly backed:
better hydration
Free of:
the ingredients it lists
See each claim
claims, checked
Water-gel sheet maskbacked by evidence
Fragrance-freebacked by evidence
Hyaluronic Acidbacked by evidence
Humectant basebacked by evidence
40 listed ingredientsbacked by evidence
Manufactured by Encosbacked by evidence
Dehydrated or tired-feeling skin that wants a quick moisture reset.plausible, not tested
A saturated sheet mask for skin that feels dry, reactive, or worn out.partly backed
26-botanical complexpartly backed
Comfort complexpartly backed
A saturated water-gel sheet that holds close and leaves skin feeling cushioned.partly backed
For sensitive skinno supporting source found
1st, Best New Product · 2022 Hwahae Beauty Awards (Sheet Mask)no supporting source found
Fifteen quiet minutes for skin that's been thrown off.nothing specific to check

Often featured alongside it

Are the claims about it backed up?

We checked each claim that features this ingredient. Open the list below to see the result for each one.

See the results by claim

Result	Claims
backed by evidence	2 of 16
plausible, not tested	3 of 16
partly backed	7 of 16
overstated	2 of 16
no supporting source found	1 of 16
contradicted by sources	1 of 16

These are counts of claims, not products. One product can name the same ingredient in several claims, and we checked each one on its own.