Tea · 한국 전통 뷰티 성분 백과사전
녹차nokcha
Green Tea
The tea leaf of Korean daily life, and a studied antioxidant cosmetic ingredient.
Scientific identification
Camellia sinensis
INCI name: Camellia Sinensis Leaf Extract
Korean heritage ingredient
This classification records the context the ingredient is documented in, not where it comes from: a Korean heritage ingredient is one with documented use in Korean practice, while a modern cosmetic ingredient carries no heritage claim. Neither label states that the ingredient originated in Korea.
Skin concerns this profile is offered for
A browsing aid and a statement of cosmetic intent only: it diagnoses nothing and promises no result.
Korean Heritage
Tea has an established cultural history in Korea, and green tea is drunk daily as well as offered in hospitality. Tea culture is closely tied to Korean ceramics and to quiet ritual, and the leaves were also kept for household use.
Traditional uses
- Green tea drunk daily and offered in hospitality
- Tea leaves kept for household washing and skin care practice
References
- Camellia Sinensis Leaf Extract — labelling name and declared cosmetic function · European Commission CosIng cosmetic ingredient database · https://ec.europa.eu/growth/tools-databases/cosing/
- The cosmetic safety and claims framework this profile is written under · Regulation (EC) No 1223/2009 on cosmetic products, consolidated text · https://eur-lex.europa.eu/eli/reg/2009/1223/oj
- Green tea in Korean tea culture and daily-life practice · Korean Culture and Information Service (Korea.net) — Korean food and daily-life culture · https://www.korea.net/
- Identified green tea constituent epigallocatechin gallate (EGCG) and its chemical record · PubChem compound database, US National Library of Medicine · https://pubchem.ncbi.nlm.nih.gov/#query=epigallocatechin%20gallate
- Indexed literature on Camellia sinensis and skin oiliness and visible redness — the basis for the ratings shown here, not proof of an outcome · PubMed, US National Library of Medicine · https://pubmed.ncbi.nlm.nih.gov/?term=Camellia%20sinensis%20green%20tea%20skin%20sebum
Modern Cosmetic Science
Modern cosmetic applications
- Green tea polyphenol extracts are used in antioxidant-focused serums and creams
- Green tea extract appears in toners and creams positioned for oily-feeling skin
Green tea polyphenols have been studied for antioxidant activity and for other skin-related properties, in laboratory work, cell studies and a limited number of human studies. Findings differ by extract, concentration and application, so they cannot be carried across to any other preparation.
Benefits & Limitations
Evidence by claim
Every rating applies to ONE claimed benefit. An ingredient is never given a single overall effectiveness score.
Antioxidant-focused skincare formulations
PromisingRating approved by an authorized reviewerRating reviewed: preliminary scientific evidence exists for this cosmetic expectation, which is stated as an expectation rather than a measured result.
Skin-conditioning support in a cosmetic formulation
TraditionalRating approved by an authorized reviewerRating reviewed: the traditional use is documented while direct clinical evidence for this claim is limited, which is what this rating records.
Investigated for oiliness and visible redness
ExperimentalRating approved by an authorized reviewerRating reviewed: evidence is insufficient for this claim, so it is recorded as experimental and no benefit is asserted.
What is not claimed
Drinking green tea is not the same as a clinically proven improvement in skin appearance, and no such claim is made here. The studies concern extracts, not a homemade tea preparation.
Safety & Allergies
- Green tea contains caffeine, which is a consideration for anyone who reacts to it, and a documented green tea allergy must be respected
- Cosmetic green tea extracts are generally well tolerated; a formulated product should still be patch-tested
Allergens this recipe can carryGreen teaCaffeine
Related Beauty Rituals
Related beauty rituals are being reviewed.
Professionally formulated products
No professionally formulated product is listed for this ingredient yet.
Tea has a documented cultural history in Korea. That history does not establish a measured cosmetic effect for green tea, and the studies cited describe extracts rather than a home preparation.
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