معلومات المنتج
A vitamin A night serum formulated to visibly smooth wrinkles, brighten the appearance of dark spots, and improve skin firmness. Suitable for normal, combination, and sensitive skin, with a focus on fine lines, wrinkles, and uneven texture.
Retinaldehyde (retinal) targets the appearance of wrinkles, dark spots, and uneven texture. Hyaluronic acid draws moisture into the skin for a nourished, supple look, while antioxidant vitamin E helps nourish the complexion.
Medik8 describes retinal as acting 11 times faster than standard retinol. The Crystal Retinal progressive strength ladder allows gradual progression as skin tolerance develops.
Contains less than 1% synthetic fragrance.
Clinical results: An independent clinical study of the Crystal Retinal ladder involving 30 participants over 24 weeks reported visible wrinkle reduction in seven days.
The supplied clinical information cites separate 12-week studies using one tube of Crystal Retinal 6 with 33 participants and Crystal Retinal 5 with 34 participants. Reported results include a 20% reduction in the appearance of wrinkles, a 20% reduction in visible dark spots, an 11% increase in skin firmness, and 100% of participants feeling that Crystal Retinal was gentle on their skin. The supplied copy does not clearly distinguish which results apply to each study or strength.