Patch and Controlled Tests

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”