What it is: A multi-peptide, three-in-one eyebrow treatment serum for the look of fuller, more defined, and more youthful-looking brows as it shapes and sculpts with all-day hold.Hair Texture: Straight, Wavy, Curly, and CoilyHair Type: Fine, Medium, and ThickHair Concerns:- Dryness- Hold and Style Extending- ThinningKey Benefits: - Denser-, more defined-looking brows- Softer, more youthful-looking brows- Sculpts with all-day holdHighlighted Ingredients:- OLAPLEX Peptide Complex Technology™: A multi-peptide blend for fuller-looking brows in as little as four weeks.- Innovative Peptide: Designed to help reduce the appearance of new grays.- Skin-Soothing Complex of Oat Extract, Vitamins B5 & B7, and Hyaluronic Acid: A nurturing, hydrating blend for soft, smooth, healthier-looking brows.Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also gluten-free, cruelty-free, and comes in recyclable packaging.What Else You Need to Know: Powered by OLAPLEX Peptide Complex Technology™ to support the natural growth cycle and brow retention for the look of fuller, denser brows in as little as four weeks as it promotes youthful-looking brows and sculpts. No stiffness or flaking. Opthalmologist and dermatologist tested. Prostaglandin gree.Clinical Results: Based on a clinical study of 30 participants, after 12 weeks of twice daily use: - 90% showed more clinically measured brow densityAs reported by 30 participants in a consumer-perception study, after 12 weeks of twice daily use:- 100% agree brows stayed in place all day- 100% agree brows did not feel stiff, sticky, or have residue- 93% agree brows look healthier