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成分词典

成分词典

GLYCOLIC ACID

Glycolic acid is a 2-hydroxy monocarboxylic acid that is acetic acid where the methyl group has been hydroxylated.

临床证据
  • 色斑暗沉 B+
  • 痘痘瑕疵 B-
  • 皱纹 B-
  • 毛孔 B-
研究所用浓度
5–10%
使用时间
晚上
刺激性
较高——每周 2–3 次起

等级依据对该成分研究文献的核查,描述的是成分本身,而非所有含该成分产品的功效。

分子结构

产品中实际含有多少

标示含量的产品 33 款中位数 0.052%33% 达到研究所用浓度(5–10%)

  • 低于 0.01% 14
  • 0.01–0.1% 3
  • 0.1–1% 1
  • 1% 以上 15

标示含量的多为以该成分命名的产品,数值可能偏向象征性的少量添加。

含该成分的产品中,274 款将其列在 1% 线之前,134 款列在之后(通常不超过 1%)。

未标示含量的产品,若列在前面,约 46%、列在后面约 3% 的可能达到研究浓度。

按肌肤问题的临床证据等级

含有此成分的产品

已确认 406 款中的 12 款 · 按含量充足程度排序 · 查看全部 406 款

定义

Glycolic acid is a 2-hydroxy monocarboxylic acid that is acetic acid where the methyl group has been hydroxylated. It has a role as a metabolite and a keratolytic drug. It is a primary alcohol and a 2-hydroxy monocarboxylic acid. It is functionally related to an acetic acid. It is a conjugate acid of a glycolate.

来源: PubChem

美国FDA 物质登记 · UNII 0WT12SX38S · 登记名称 Glycolic Acid · 单一化学物质

来源: 美国FDA 物质识别码(UNII)

化妆品中的作用

稳定 pHBUFFERING

安全与法规参考

东盟

  • Field of application and/or use : (a) Skin products (i) For general use (ii) For professional use (iii) For use by a qualified medical practitioner (b) Other products
  • Maximum authorised concentration in the finished cosmetic product : (a) Skin products (i) ≤ 10% total when calculated as the acids (ii) > 10% - 20% total when calculated as the acids (iii) > 20%, total when calculated as the acids (b) Other products None
  • Other limitations and requirements : (a) Skin products (i) Final formulation ≥ pH 3.5 (ii) Final formulation ≥ pH 3.0 For professional use only (iii) Final formulation ≥ pH 3.0 for products up to 30% total when calculated as the acids. For use by a qualified medical practitioner only. (b) Other products None
  • Conditions of use and warning which must be printed on the labels : (a) Skin products All Sunburn alert: This product contains an alpha hydroxy acid (AHA) that may increase your skin’s sensitivity to the sun and particularly the possibility of sunburn. Use a sunscreen, wear sun protective clothing, and limit sun exposure while using this product and for a week afterwards(13) (ii) For professional use only (iii) For use by a qualified medical practitioner only. (b) Other products None

加拿大

  • <Alpha-hydroxy acids, including polyhydroxy acids and bionic acids with alpha hydroxyl groups, and their salts Glycolic Acid>
  • Conditions of Use by product type : (a) Products for use on the skin for consumer use. Manufacturer or importer to provide pH levels. (b) Products for use on the skin for professional use: Manufacturer must provide Health Canada with evidence of safety including: 1. pH levels 2. AHA concentrations 3. Directions for use 4. Clinical studies demonstrating minimal skin irritation (c) Products intended to be diluted in bath water may contain levels of AHAs exceeding 10% (d) Other cosmetics (e) Any cosmetics
  • Maximum Concentration Permitted : (a) Between 3% and 18% total mono-AHA equivalents with a pH equal to or greater than 3.5 (b) Between 18% and 30% total mono-AHA equivalents and/or a pH between 3.0 to 3.5 (d) Between 3% and 30% total mono-AHA equivalents with a pH equal to or greater than 3.0 (e) 3%
  • Warnings and Cautionary Statements: (to the effect of) : (a) and (b) : "Use only as directed", "Avoid contact with the eyes", "If irritation persists, discontinue use and consult a physician", "It is recommended that prior to exposure to the sun, users cover areas where AHAs have been applied with sunscreen" Product labels should contain appropriate directions regarding frequency and/or duration of use. (b only) "For professional use only" (d) "Use only as directed", "Avoid contact with eyes", "Discontinue use if rash or irritation occurs"
  • Conditions of Use by product type : See "Alpha-hydroxy acids".

台湾

  • ※ 染髮產品之限量標準:係指該成分依產品使用說明書混合後之最高允許使用量。
  • ※ 化粧品之外包裝或容器,應明顯標示本表所列成分之注意事項。因外包裝或容器表面積過小或其他特殊情形致不能標示者,應於標籤、仿單或以其他方式刊載之。
  • ※ 本表所稱之口腔製劑,包含非藥用牙膏、漱口水類及美白牙齒類等化粧品。
  • ※ 化粧品宣稱效能者,須符合化粧品標示宣傳廣告涉及虛偽誇大或醫療效能認定準則規定。
  • 用途 : 使用限制
  • 最大配合量 : pH≧3.5;
  • 惟使用後立即沖洗之洗髮或潤髮等產品, 其 AHA 含量為 3%以下時,其 pH 值得為 3.2 以上至3.5 以下。
  • 有關pH 值檢測方式,依產品實際情形,參照「『中華民國標準』(CNS)化粧品pH 值酸鹼性試驗法( 總號9036 類號S2073)」檢驗之。
  • pH≥3.5;
  • (1) 皮膚敏感者,使用前請先作皮膚敏感性測試。
  • (2) 皮膚有損傷、傷口或紅腫時不得使用。
  • (3) 嬰兒及孩童不宜使用本產品。
  • (4) 使用時皮膚如有異常現象,請暫停使用。
  • (5) 使用後皮膚如有持續紅腫或出現不適應症狀時,請立即就醫診治。
  • (6) 本產品含 α-Hydroxy acids 成分,可能增加皮膚對陽光敏感及曬傷可能性。
  • (7) 使用本產品後必須使用防曬劑、穿著有保護衣物及一個星期內應避免陽光曝曬。
  • 2. 化粧品中含 α-Hydroxy acids 成分,其含量為 10%以下,且產品 pH值為 3.5 以上,作為 pH值調整液時,其標籤、仿單或包裝,得免刊載前開注意事項。

来源: 韩国食药处 化妆品法规信息

未列入韩国有毒物质 GHS 分类 · 现有化学物质

来源: 韩国有毒物质 GHS 信息(环境公团)

Other restriction: ban substances that deplete the ozone layer · SCCS opinion: Position paper on the Safety of alpha-Hydroxy Acids; Updated position paper concerning consumer Safety of alpha-hydroxy acids

来源: 欧盟 CosIng 成分清单

Reviewed by CIR: 40th Anniversary Overview and Rereview Summaries From 2011 to 2015

来源: 美国CIR 安全性评估

Reviewed by CIR: Final Report on the Safety Assessment of Glycolic Acid, Ammonium, Calcium, Potassium, and Sodium Glycolates, Methyl, Ethyl, Propyl, and Butyl Glycolates, and Lactic Acid, Ammonium, Calcium, Potassium, Sodium, and TEA-Lactates, Methyl, Ethyl, Isopropyl, and Butyl Lactates, and Lauryl, Myristyl, and Cetyl Lactates

来源: 美国CIR 安全性评估

详细资料——标示名称、识别编号、物性、试验记录、文献

官方标示名称和定义

日本化妆品工业联合会标示名称 グリコール酸: 本品は、次の化学式で表されるオキシ酸である。

来源: 日本化妆品工业联合会标示名称

别名和识别信息

GLYCOLIC ACIDINCI글라이콜릭애씨드韩国标示名称(食药处标准名)Acetic acid, 2-hydroxy-同义名グリコール酸日本标示名称
CAS No.化学物质登记号
79-14-1
EC No.欧盟化学品目录编号
201-180-5
DTXSID美国EPA化学品编号
DTXSID0025363
DTXCID美国EPA化合物编号
DTXCID105363
IUPAC
Hydroxyacetic acid
分子式
C2H4O3
分子量
76.051 g/mol

实测物性

性状
Dry Powder, CBI, Liquid, Other Solid, Large Crystals · Colorless, odorless crystals, [HSDB] Hygroscopic, Commonly available commercially as 70% solution, [ICSC]
气味
Odorless · 无臭
沸点
100 °C · BP: decomposes
熔点
79.5 °C · 78-80 °C (alpha-modification), 63 °C (beta-modification, metastable)
溶解性
Soluble in ethanol, ethyl ether · Soluble in methanol, acetone, acetic acid
密度
1.49 at 25 °C/4 °C · Relative density (water = 1): 1.49
稳定性
Stable under recommended storage conditions.
pH
pH = 2.5 (0.5%), 2.33 (1.0%), 2.16 (2.0%), 1.91 (5.0%), 1.73 (10.0%) · 1.73
解离常数
3.83 · pKa = 3.6
颜色
无色
熔点/凝固点
80 ℃
初沸点和沸程
100 ℃
闪点
&amp, gt, 300 ℃
蒸气压
0.02 ㎜Hg
溶解度
1000000 ㎎/ℓ
蒸气密度
26.6
比重
1.49
正辛醇/水分配系数(Kow)
-1.11
分子量
76.05

这是对物质本身测得的数值。韩国安全保健公团(KOSHA)的资料仅供编写和审核安全数据表参考,并非原料商品的规格。

来源: PubChem · 韩国安全保健公团 安全数据表

产品实际使用的用途

这是向美国 EPA 申报含该成分的 93 款产品的用途。其中包括化妆品以外的产品,排在前几行的即为该成分的主要用途。

  • pH regulating agent36
  • Cleaning agent29
  • Biocide13
  • Processing aids not otherwise specified3
  • Solvent3
  • Intermediate2
  • Dye2
  • Monomers1
其余用途 4 项
  • Plating agent1
  • Soil amendments1
  • Abrasive1
  • Softener and conditioner1

来源: 美国EPA CompTox

刺激与致敏试验记录

记录有皮肤试验 9 项、眼部试验 4 项。

归类为刺激性高4 项归类为中等1 项归类为低2 项

各项试验结论不一(最多的结论占 57%),因此不能断定该成分有刺激性。 这是对原料本身的试验记录,与成品中所含浓度下的刺激性不同。

查看全部 13 项试验
  • Skin corrosion/irritation - Category 1
    Skin Irritation · Screening
  • Moderate or Mild Irritation
    skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to
  • Corrosive
    skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to
  • Severe Irritation
    skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to
  • Not classified
    Skin Sensitization · Screening
  • Category 1B
    Skin Irritation · Screening
  • Category 8.2C (Category 1C)
    Skin Irritation · Read Across
  • Category 8.2B (Category 1B)
    Skin Irritation · Read Across
  • Not likely to be sensitizing
    skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) according to EU Method B.6 (Skin Sensitisation) according to EPA OPP 81-6 (Skin Sensitisation)
  • Corrosive or Irritation Persists for &gt; 21 days
    eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) study conducted prior to guidelines equivalent or similar to
  • Severe Irritation
    eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to
  • Category 1
    Eye Irritation · Screening
  • Category 8.3A (Category 1)
    Eye Irritation · Read Across

来源: 美国EPA CompTox

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