HUBBA BROW GROWTH SERUM 0.56OZ. Features: Improve the appearance of brow volume in just 4 weeks*. Brows look fuller, healthier, natural, and nourished over time. Clinically tested, gentle, and suitable for sensitive skin. Does not contain prostaglandin or its derivatives. Non-comedogenic. Ophthalmologist-tested. *Clinical assessment on 31 participants after 4 weeks of use. Key Ingredients: Provitamin B5 helps condition and improve the sheen of brow hair. Biotin & cassia alata leaf extract help improve the appearance of brow hair. Does not contain parabens, phthalates, sulfates, fragrance, or gluten ingredients. Research Results: 93% said it improves the appearance of brows after 4 weeks***. 92% said brows look healthier after 4 weeks***. 96% said brows look nourished after 4 weeks***. 96% said brows look fuller after 12 weeks**. 93% said brow hairs feel stronger after 12 weeks**. 97% said brows feel conditioned after 12 weeks**. *Clinical assessment on 31 participants after 4 weeks of use. **Self-evaluation by 124 participants. ***Self-evaluation by 129 participants. Results may vary.