Struggling to keep your hairstyles sleek? You need some anti-frizz haircare in your arsenal. From Olaplex to Color Wow Dream Coat , the best anti-frizz hair products don’t just de-fluff your strands – they seal the hair cuticle, manage moisture retention and smooth split ends for more resilient hair overall. Here, hair experts share how anti-frizz products actually work, and how to use them for salon-smooth styling.

Plus, Vogue ’s tried and tested favourites for silky shine, definition and strength on all hair types. Meet the experts: Tom Smith, Olaplex Artist Samantha Cusick, Professional Hairdresser at Samantha Cusick London What causes frizzy hair? There are four main culprits behind frizzy tresses: humidity, dryness, genetics, and damage. Samantha explains that hair is hygroscopic (translation: it absorbs moisture from the environment) and in humid weather, there is an increased concentration of water molecules in the air.

“As hair absorbs excess moisture, the hair shaft begins to swell and become frizzy.” In the same vein, frizz can also be triggered by dry hair. According to Tom, hair lacking moisture will “fluff up” to search for it in the surrounding environment.

In extremely hot or windy conditions – when moisture is stripped from the hair cuticle – this is why your hair becomes frizzy. Finding your hair has gotten frizzier over time? Dryness is responsible for this, too. As scalp oil production declines with age, there is less natural sebum to nour.