Desperate for longer eyelashes? UKLash's Eyelash Serum (£38) has become the trusted brand for eyelash growth on TikTok. Launched with just one product in 2018, founder Nima Pourian's brand has grown quickly with a range of products including skin care and different hair growth serums. After noticing a gap in the UK market, he worked alongside his sisters to capatalise on the demand for eyebrow and eyelash growth products. Alongside the viral Eyelash serum, it's Ukbrow Eyebrow Serum (£38) for fuller and thicker-looking brows, is also growing in popularity.