Retinal .2% Serum

Clinical Studies (Retinal .2% Serum)

Report No. L602/23/JSHH

Dermatological test

The patch test study was performed under dermatological control on a group of 25 volunteers. The study concluded that the volunteers didn’t report documented oversensitivity or a history of adverse reactions to individual ingredients of the tested product, which was well tolerated by the skin. In the tested group of volunteers there were no irritations or allergic reactions. The product meets the requirements of compatibility test with the skin (Skin Compatibility Test).

Report No. 90934/21 JSHH report: user and instrumental test under dermatological control

• Users: 25 people, females, 25+ years old
• Skin types: all skin types (dry, normal, combination, oily), sensitive, non-sensitive
• Usage: daily on clean skin for 4 weeks

Declarations are confirmed only if the ratio of received positive responses to the total number of subjects participating in the study is above 50%. The study concluded that the tested product is very well tolerated by the subjects, there are no contraindications to its use.

Results after 4 weeks of use:

• 96% reported the feel of intense and deep hydration
• 93% reported that the product improved the skin texture by tightening and smoothing it, as well as improving elasticity
• 100% reported the sense of visible skin regeneration and renewal
• 70% reported the reduction of wrinkles and fine lines, and that the product helps to reduce the signs of skin aging
• 70% reported beneficial effects on Rosacea and Acne
• 100% reported improved skin appearance, fresh and healthy feel of their skin
• 100% stated that the product was good for all skin types
• 100% felt the product was easy and pleasant to use

Machine tests

10 people, 4 weeks of usage

• Instrumental test of skin moisturizing level using Corneometer® CM 825
• Product efficacy is confirmed in case of the positive results obtained in more than 50% of users. The product moisturizes the skin when the parameter value increases.
• Result: skin moisture level has increased in all participants compared to before usage, therefore the product moisturizes the skin.

Instrumental test of biomechanical skin parameter

using Cutometer® MPA 580

The product improves skin elasticity when the parameter value increases, improves skin firmness when the parameter value decreases.

Results:

• The product improves skin elasticity by an average of 10%
• The product improves skin firmness by an average of 15%

Wrinkle analysis

using Primos 3D Lite (images below)

The product reduces the length, the number, the volume and the area of wrinkles when the parameter values decrease.

Results after 4 weeks of use:

• reduces wrinkles length by an average of 5%
• reduces wrinkle count by an average of 15%
• reduces wrinkle volume by an average of 8%
• reduces wrinkle area by an average of 6%

Study Images

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