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Trichloroacetic Acid
ExfoliantAlso known as: TCA, TCA Peel
A medium-depth chemical peel agent used professionally for treating acne scars, wrinkles, and hyperpigmentation.
Benefits
Deep exfoliation, treats acne scars, reduces wrinkles, addresses severe hyperpigmentation.
How to Use
Professional use only at concentrations above 20%. Home-use products at 10-15% with extreme caution. Requires proper neutralization.
Technical Details
pH Range1.0-2.0
Typical Concentrations10%-50%
Research Summary
Well-established in dermatology for medium-depth peels. Higher concentrations (35-50%) require professional application. Effective for acne scarring.
What to Avoid With
- darker skin tones (higher PIH risk)
- active infections
- isotretinoin use within 6 months
Cautions
Can cause significant burning, peeling, and downtime. Risk of scarring and post-inflammatory hyperpigmentation, especially on darker skin tones.
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