Ostelin Vitamin D3 1000Iu Vitamin D 130 Capsules Giorgio Armani AR 8057 5042 6G Matte Black Grey Silver one of the strongest fibers Doctor Babor Refine Cellular one of the strongest fibers in nature Penetrates deep down the cortex to instantly recover hair fiber Enriched with silk amino acids to protect against breakage due to combing & mechanical damage Makes hair more resilience against breakage Hair appears smoother less wrinkles and prevents dark circles People who have an indoor Lifestyle or who always wear sun protection have been found to be low in Vitamin D Vitamin D is a key nutrient that supports general wellbeing