What it is: A weekly deep treatment hair mask infused with exclusive technology, that strengthens and thickens split ends to reduce the appearance of breakage.Hair Texture: Straight, Wavy, and CurlyHair Type: FineHair Concerns:- Thinning- Volumizing- Damage, Split Ends, and BreakageKey Benefits: - Reduces the appearance of breakage and split ends- Strengthens lengths and ends for noticeably longer, healthier hair- Thickens ends and adds volume for fuller-looking resultsHighlighted Ingredients:- Amino Acid: Prevents breakage and strengthens hair.- Filler A-100: Exclusive technology that penetrates the hair fiber to visibly thicken damaged or split ends.What Else You Need to Know: This hair treatment mask reduces the appearance of breakage for damaged, thinning, or split ends with exclusive professional technology. It deeply penetrates to quickly fill the hair surface and visibly thicken ends for noticeably longer, more voluminous hair. It can be used weekly with complete Pro Longer System for thicker, shinier, and healthier-looking hair from root to tip.Fragrance Description: A luxurious fragrance formulated with top notes of apple and muguet, middle notes of rose and cyclamen, and base notes of musk and amber.Clinical Results: In an instrumental test with Pro Longer Hair Thickening Shampoo + Pro Longer Hair Thickening Mask vs. unwashed hair: - Reduces appearance of split ends by 31%