Patch and Controlled Tests:
Human patch and controlled testing is a branch of our safety assessment program aimed at evaluating the effects of products coming into contact with the skin:
- Irritation (skin inflammation resulting in skin redness and swelling)
- Photo-irritation (skin inflammation resulting in skin redness and swelling after UV exposure)
- Sensitization (elicitation of an allergic response)
- Comedogenicity (acne comedones appearance)
Claims
- Dermatologically tested
- Clinically tested
- Tolerance tested
- Not irritating after UV exposure
Other techniques
- Skin erythema by means of colorimetry
- Trans-Epidermal Water Loss (TEWL)
- Digital macrophotography”
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