COSTOK

Timeless Essence Skin

Name: COSTOK Timeless Essence Skin
Brand: COSTOK

Korean shelf name: 타임리스 에센스스킨 200ml

toner · 200ml · ₩33,000

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A questionnaire of about 3 minutes, then this product read against your skin.

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Product reading

Key ingredients

Niacinamide
나이아신아마이드
Vitamin B3: tone, oil and barrier at once. The most common active on a Korean shelf.
Hyaluronic Acid
하이알루로닉애씨드
Holds water in the top layer of skin. The default hydrating ingredient here.
Adenosine
아데노신
A small molecule used in firming and wrinkle products. Very common here.

Product reading

Worth knowing

No fragrance, essential oils or denatured alcohol on our reading of this label.

Product reading

Where this product sits

DryOily
SensitiveResistant
PigmentedEven-toned
Wrinkle-awareTight

Korean reviews

Reviews in Korea

From the Olive Young listing, checked 6 Aug 2026.

Average rating: 5.0 out of 5 stars
Review count: 763 reviews

These are the shop's own figures. We do not summarise the reviews here.

Formula

All ingredients

32 ingredients in label order, each with our general tag. Not a reading of your skin.

3 of 32 names on this label are not in our dictionary yet, so we have not rated them.

1
Water
정제수
Gentle
No irritation flag
2
Butylene Glycol
부틸렌글라이콜
Gentle
No irritation flag
3
Glycerin
글리세린
Gentle
No irritation flag
4
1,2-Hexanediol
Gentle
No irritation flag
5
Dipropylene Glycol
다이프로필렌글라이콜
Gentle
No irritation flag
6
Niacinamide
나이아신아마이드
Gentle
Vitamin B3: tone, oil and barrier at once. The most common active on a Korean shelf. No irritation flag
7
Glycereth-26
글리세레스-26
Gentle
No irritation flag
8
Chondrus Crispus Extract
아이리쉬모스추출물
Gentle
No irritation flag
9
Saccharum Officinarum (Sugarcane) Extract
사탕수수추출물
Gentle
No irritation flag
10
Sodium Hyaluronate
소듐하이알루로네이트
Gentle
No irritation flag
Order on a label follows amount for the first ingredients. Further down the list, amounts are small and the order is looser.
11
Theobroma Cacao (Cocoa) Seed Extract
카카오씨추출물
Gentle
No irritation flag
12
아보카도열매추출물
아보카도열매추출물
Not rated yet
Our dictionary does not carry this name yet, so we have not rated it.
13
Sodium Hyaluronate
소듐하이알루로네이트
Gentle
No irritation flag
14
Hyaluronic Acid
하이알루로닉애씨드
Gentle
Holds water in the top layer of skin. The default hydrating ingredient here. No irritation flag
15
Propanediol
프로판다이올
Gentle
No irritation flag
16
Polyglyceryl-10 Laurate
폴리글리세릴-10라우레이트
Gentle
No irritation flag
17
Polyquaternium-51
폴리쿼터늄-51
Gentle
No irritation flag
18
Ethylhexylglycerin
에칠헥실글리세린
Gentle
No irritation flag
19
Adenosine
아데노신
Gentle
A small molecule used in firming and wrinkle products. Very common here. No irritation flag
20
Sodium Phytate
소듐파이테이트
Gentle
No irritation flag
21
Tromethamine
트로메타민
Gentle
No irritation flag
22
Dextrin
덱스트린
Gentle
No irritation flag
23
Maltodextrin
말토덱스트린
Gentle
No irritation flag
24
Tocopherol
토코페롤
Gentle
No irritation flag
25
다이포타슘포스페이트
다이포타슘포스페이트
Not rated yet
Our dictionary does not carry this name yet, so we have not rated it.
26
아세틸글루타민
아세틸글루타민
Not rated yet
Our dictionary does not carry this name yet, so we have not rated it.
27
Sodium Hyaluronate
소듐하이알루로네이트
Gentle
No irritation flag
28
Hydrolyzed Glycosaminoglycans
하이드롤라이즈드글라이코사미노글리칸
Gentle
No irritation flag
29
Benzyl Glycol
벤질글라이콜
Gentle
No irritation flag
30
Cellulose Gum
셀룰로오스검
Gentle
No irritation flag
31
Carbomer
카보머
Gentle
No irritation flag
32
Xanthan Gum
잔탄검
Gentle
No irritation flag

How we tag

Gentle: nothing in our dictionary flags it in general. Watch: flagged for sensitive skin, or a strong active. Not rated yet: our dictionary does not carry the name. These are our tags, not a lab score.

Other toners on the Scelto shelf.

See your fit score

A questionnaire of about 3 minutes, then this product read against your skin.

See your fit score

Built together

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