Ingredient name record

Ascorbic Acid

Korean search label: 아스코빅애씨드

Evidence at a glance

4official function labelsIngredient context 2selected human studiesNot a full review

0selected legal receiptsNot a compliance verdict

Evidence coverage, not an efficacy or safety score.

Identity & coverage details

Official CosIng inventory context recorded; chemical identity and the complete current regulatory profile remain unverified; selected human studies available.

Recorded presence is not a safety rating, recommended dose or benefit claim.

Identity and formulation context

Names are indexed using case and whitespace normalization. Botanical, chemical and marketing identities have not been independently equated.

The 10% study used an ascorbic-acid/derivative mixture, while the 5% study tested a cream. Vehicle, stability and co-ingredients limit transfer between preparations. These concentrations are study conditions, not recommended doses.

Discovery spellings and aliases

ascorbic acid · l-aa · l-ascorbic acid · laa · pure vitamin c · vit c · vitamin c · 비타민 c · 비타민c · 순수 비타민c · 순수비타민c · 아스코르브산 · 아스코빅애씨드 · 엘아스코빅애씨드

Search-only metadata; an alias is not proof of chemical equivalence.

Functions listed by CosIng

ANTIOXIDANTBUFFERINGFRAGRANCESKIN CONDITIONING

Inventory functions describe the ingredient entry, not a finished product’s effects.

How this inventory match is used

The European Commission’s CosIng inventory is informational. An entry is not permission to use an ingredient or a safety assessment. Listed functions describe the inventory entry; they do not establish a finished product’s effects. The match uses the exact ingredient name, with case and whitespace normalization.

ASCORBIC ACID · Inventory identifiers

Inventory record: 74328 · Active
CAS identifiers in this entry: 50-81-7 / 62624-30-0
EC identifiers in this entry: 200-066-2 / 263-644-3

Checked 2026-10-02 · Read the official CosIng entry

Human study context

Primary publications checked 2026-10-02. These are selected studies, not a systematic review, safety rating or instructions for using a product.

Double-blind, half-face study comparing topical vitamin C and vehicle for rejuvenation of photodamage

2002 · Original abstract reviewed

Material tested: 10% ascorbic acid plus 7% tetrahexyldecyl ascorbate in an anhydrous polysilicone gel; inactive gel comparator.
Study design: Double-blind split-face comparison; four patients also underwent end-of-study biopsies.
Participants: 10 patients with facial photodamage.
Concentration and schedule in the study: 12 weeks, with assessments at weeks 4, 8 and 12; application frequency is not specified.
What the authors reported: Cheek and perioral photoaging scores improved on the active side. Hydration and the periocular area improved on both sides. Biopsies showed changes in collagen-related measures.

What this does not establish

The mixture does not isolate ascorbic acid from tetrahexyldecyl ascorbate.
Very small sample, with biopsy findings in only four patients.
Bilateral hydration changes cannot be attributed solely to the vitamin-C mixture.

Read the original publication

Topical ascorbic acid on photoaged skin. Clinical, topographical and ultrastructural evaluation: double-blind study vs. placebo

2003 · Original abstract reviewed

Material tested: Cream containing 5% vitamin C, compared with its excipient.
Study design: Randomized, double-blind comparison with clinical scores, skin replicas and biopsies.
Participants: Healthy female volunteers with photoaged lower neck and arms; sample size is absent from the abstract.
Concentration and schedule in the study: Daily treatment for six months, assessed at baseline, three months and six months.
What the authors reported: Clinical and participant global scores favored the active cream. The authors also reported skin-surface and elastic-tissue changes.

What this does not establish

The abstract omits participant count and detailed formulation characteristics.
Lower-neck and arm findings do not establish equivalent facial effects.
Different vitamin-C derivatives or serum vehicles were not tested.

Read the original publication

Still unverified

This is a selected partial literature record, not a systematic review or a complete scientific profile.
Cosmetic functions and jurisdiction-specific restrictions are not established by these research abstracts.
Study preparations have not been matched to any Treatfolio product, batch, market or concentration.
Chemical identity, the complete current regulatory profile and finished-product effects remain unverified.