Quality serums support the natural hair cycle, helping lashes appear longer and more resilient while encouraging brows to look denser and more defined. With consistent use, you may notice reduced breakage, enhanced shine and a healthier-looking lash line. Brow serums can also target sparse areas to create a balanced shape and improve overall symmetry. 

Key ingredients include peptides to support the hair fibre and improve the appearance of thickness; biotin to fortify fragile hairs; panthenol (provitamin B5) to condition and smooth; and hyaluronic acid to hydrate the skin at the roots without leaving a greasy feel. Many formulas also incorporate amino acids, botanical extracts and antioxidants to help defend against everyday environmental stress. 

Watsons Singapore offers fragrance-free and ophthalmologist-tested options, including serums suitable for sensitive eyes and contact lens wearers. From everyday eyelash serums to targeted lash serum treatments for strength and shine, the range makes it easy to build a routine that suits your goals.