PCA Zinc (Zinc PCA) = Zinc Pyrrolidone Carboxylate, a complex of "zinc + natural moisturizing factor PCA". It is water-soluble, mild, oil-controlling, anti-acne, and moisturizing, commonly used for oily skin, combination skin, and acne-prone skin.
I. Basic Information Full Name: Zinc Pyrrolidone Carboxylate (Zinc PCA)
INCI: Zinc P
CAS: 15454-75-8
Appearance: White powder, easily soluble in water
Structure: Zinc ion + PCA (pyrrolidone carboxylic acid), PCA is a natural moisturizing factor (NMF) inherent to the skin
Core Efficacy (Oil Control + Anti-Acne + Moisturizing + Soothing)
1. Oil Control (Reduce oil production at the root) Inhibits 5α-reductase, reduces DHT, and decreases sebaceous gland activity Clinically: A 12-week treatment with a 1% concentration can reduce sebum by approximately 40%; a 28-day treatment with a 2% concentration significantly controls oil without relying on alcohol/powder and without damaging the barrier
2. Anti-Acne (Antimicrobial + Anti-Inflammatory + Anti-Clogging) Inhibits Propionibacterium acnes (MIC=0.125%), reduces acne Reduces inflammatory factors (TNF-α, IL-6), soothes redness, and reduces red and swollen acne Reduces oil oxidation and pore blockage, preventing closed comedones
3. Moisturizing and Repairing (Oil Control without drying) PCA is a natural moisturizing factor of the skin, replenishing and retaining water, strengthening the barrier Improves the vicious cycle of "the more you control, the drier it gets; the drier it gets, the more oily it becomes" Reduces transepidermal water loss (TEWL), suitable for sensitive skin/skin with weak barrier and oily skin
4. Soothing and Anti-Inflammatory Zinc ions calm and reduce inflammation, alleviating irritation, redness, and itching
产品名称Product Name 化学品登记号CAS NO. 包装规格Packing
产品批号Batch No.
生产日期Production Date 有效期限Expriry Date
PCA锌 Zinc-PCA 15454-75-8
25KG
2025021301
2025年02月13日Feb.13,2025 2028年02月12日Feb.12,2028
检验项目Item
标准规定Standard Code
检验结果Results
外观
Appearance
白色或近白色粉末
White or almost white powder
符合
Complies
气味Odour
感官Sense
符合Complies
溶液颜色Color(0.5%)
无色澄清Clarification
符合Complies
锌含量Zn content
17.4-21.3%
20%
PH值
5.0-6.0
5.61
干燥失重Loss on drying
≤2.0%
0.1%
重金属(以Pb计)
Heavy metal(as Pb)
≤20 ppm
符合
Complies
砷Arsenic(As)
≤2 ppm
符合
Complies
PCA含量PCA content
78-82%
80%
细菌总数
Aerobic Bacterial Count
≤100 cfu/g
<100 cfu/g
霉菌和酵母菌
Molds and Yeast Count
≤10 cfu/g
<10 cfu/g
检测结果Conclusion
储藏方式Storage
符合规格Conform with specification
密封避光，阴凉干燥保存Sesled avoidlight,save in cool and dry plase
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