Summer in Hong Kong getting the better of your hair? Too many sunshine- and sea-soaked beach days, plus the usual cocktail of heat, humidity, pollution and air-conditioning can be a recipe for endless bad hair days—which is exactly when an intensive mask treatment is called for.

Promising to nourish and rejuvenate tresses that are in need of some serious TLC, here are five of our favourite hair masks to try:

Oribe Signature Moisture Masque

Transform dry and fragile hair into a silky, lustrous mane with this deep conditioning Moisture Masque from cult American haircare line Oribe. Featuring a potent blend of shine-enhancing sunflower seed extract, smoothing macadamia nut oil, and strengthening keratin, this luxurious post-shampoo treatment is also strictly paraben-, sulfate- and cruelty-free.

Available at JOYCE Beauty

Christophe Robin Regenerating Mask

A five-minute shortcut to luscious locks, renowned French hair guru Christophe Robin’s Regenerating Mask promises to repair and restructure even the most damaged hair from the inside out. With a creamy formula that showcases the ultra-nourishing properties of rare prickly pear seed oil and inula flower extract, this post-shampoo mask effortlessly smooths away frizz and amply boosts your hair’s natural shine and vitality.

Available at 10/10 HOPE

Philip Kingsley Elasticizer

Feted as “the world’s first deep conditioning pre-shampoo mask”, Philip Kingsley’s legendary Elasticizer was originally developed for Audrey Hepburn, who was struggling with weak and lifeless hair after decades of over-styling on movie sets. Nowadays, this reparative treatment counts Cate Blanchett and Kate Winslet as fans, and delivers the ultimate in bounce, shine and strength to hair thanks to ingredients like castor oil and hydrolyzed elastin. 

Available at Net-A-Porter

Rahua Omega 9 Hair Mask

Get all the benefits of an in-salon treatment from the comfort of your own home with Rahua’s professional-strength conditioning mask. Promising to deliver beautifully strong, soft and shiny hair by fortifying each strand from root to tip, it’s made from the finest plant-based ingredients, sourced sustainably from the Amazon rainforest—including Rahua oil, quinoa, sunflower seed oil and eucalyptus.

Available at JOYCE Beauty

Briogeo Don’t Despair, Repair! Deep Conditioning Mask

Say sayonara to dry and damaged hair with Briogeo’s award-winning, cruelty-free deep conditioning mask. Powered by a restorative blend of vegan ingredients such as rosehip, sweet almond, and biotin- and vitamin-rich argan oil, this intensive weekly treatment promises to bring hair back to its silky, hydrated best, whilst also protecting against future damage—and all without any parabens, silicones or sulfates either.

Available at Sephora

See also: 5 beauty products that’ll guarantee a good night’s sleep