CITRIC ACID
- CAS
- 77-92-9
- PubChem CID
- 311
- Molecular Formula
- C6H8O7
- Molecular Weight
- 192.1200 g/mol
2-Hydroxy-1,2,3-propanetricarboxylic acid
What does it do?
Adjusts and maintains the product's pH level.
Details
2-Hydroxy-1,2,3-propanetricarboxylic acid

Citric acid: From lemons to cosmetics
You see 'citric acid' on a skincare label, and it sounds like a lab product. But this acid occurs naturally in lemons, and it was first isolated from lemon juice in 1784. It is also widely used in cosmetics, from shampoos to face creams.
Read the full guide →Function & Use
Masking
Buffering
Chelating
Skin-Conditioning Agent
What The Sources Say
ToxValDB (EPA Toxicity Value Database)10
EPA ToxValDB skin/eye data - endpoint: Skin Irritation, classification: Skin irritation - category 2. Caveat: this is an aggregated record; dose, species and route of exposure must be considered together.
EPA ToxValDB skin/eye data - endpoint: Eye Irritation, classification: Serious eye damage/eye irritation - Category 2. Caveat: this is an aggregated record; dose, species and route of exposure must be considered together.
EPA ToxValDB skin/eye data - endpoint: Eye Irritation, classification: Category 6.4A (Category 2A). Caveat: this is an aggregated record; dose, species and route of exposure must be considered together.
EPA ToxValDB skin/eye data - endpoint: Eye Irritation, classification: Category 8.3A (Category 1). Caveat: this is an aggregated record; dose, species and route of exposure must be considered together.
EPA ToxValDB skin/eye data - endpoint: Skin Irritation, classification: Category 6.3B (Category 3). Caveat: this is an aggregated record; dose, species and route of exposure must be considered together.
+5 more records.
EPA ToxCast (high-throughput in vitro screening)1
EPA ToxCast ER model: NO estrogen receptor activity found (AUC agonist=0, antagonist=0). Tested in 18 in vitro assays. Caveat: this is an in vitro screening model with no dose or exposure context; it does NOT mean an effect occurs in humans at cosmetic use levels.
Products Containing This Ingredient

Eyüp Sabri Tuncer Doğal Zeytinyağlı Şampuan

Janssen Cosmetics Janssen Cosmetics Yaşlılık Lekeleri Karşıtı Serum 30 ml

Urban Care Urban Care Brazilian Keratin Düzleştirici Etkili Saç Bakım Şampuanı 350 ml

Duru Duru Hydro Pure Aloe Vera Şeffaf Cilt Bakım Sabunu 135 gr x 4

The Bath Factory The Bath Factory Nemlendirici ve Besleyici Duş Jeli Endless Ocean 400 ml

Cire Aseptine Cire Aseptine Soft Çilek Prebiyotikli Krem 30 ml

The Bath Factory The Bath Factory Nemlendirici ve Besleyici Duş Jeli Marvel Rose 400 ml

The Bath Factory The Bath Factory Nemlendirici ve Besleyici Duş Jeli Banana Split 400 ml

Urban Care Urban Care Brazilian Keratin Düzleştirici Etkili Yoğun Saç Bakım Maskesi 230 ml

Astra Astra InstaLength Uzunluk Veren Maskara

Maruderm Maruderm Pirinç Özlü Aydınlatıcı Yüz Temizleme Jeli 200 ml

Janssen Cosmetics Janssen Cosmetics Kolajen ve Elastin Sentez C Vitamini Kremi 50 ml

Rimu Health Rimu Health Cilt Tonu Eşitleyici ve Yoğun Nemlendirici Yüz Kremi 50 ml (Hyaluronic Acid - Niacinamid

Dove Dove Nemlendirici Sıvı Sabun Lotus Çiçeği ve Pirinç Sütü Özü 450 ml

Nivea Nivea Super10 Serum Etkili Aydınlatıcı ve Nemlendirici Vücut Losyonu 170 ml

Morfose Milk Therapy Saç Maskesi 500 ml

Neutrogena Karşıtı Yüz Temizleme Jeli 200 ml

SVR Sun Secure Fluide Spf 50+ Güneş Kremi 50 ml

Childs Farm Kuru ve Kıvırcık Saçlar için Hindistan Cevizi Özlü Çocuk Şampuan 250 ml

For You Gold Yüz, Boyun, Çene Ve Gıdı Için Incelmeye Yardımcı, Sıkılaştırıcı Ve Şekillendirici Slim Jel

Bioderma Atoderm Intensive Baume Nemlendirici Bakım Kremi 500 ml PUANSIZDIR

WIWIFY Renewal AHA %12 Derinlemesine Arındırıcı, Nem Destekli Vücut Losyonu |%12 AHA, Niacinamide, Arbutin

Sinoz Avokado Bomb Yoğun Nemlendirici Yüz Kremi & Göz Kremi 2'li Bakım Seti

Maru.Derm Hydro Boost After Sun Spray | Güneş Sonrası Yoğun Nemlendirici ve Onarıcı Sprey 200 ML