REF. Leave-In Serum

Price: GBP27.98
(as of Sep 25, 2026 16:14:45 UTC – Details)

REF’s Leave-In Serum daily maintains hair health and strength, combating heat damage from styling tools. This deeply hydrating, botanical blend infuses each strand with vital proteins and vitamins, smoothing frizz and leaving hair silky. Ideal for morning, evening, or whenever hair needs moisture boost.
Product Dimensions ‏ : ‎ 0.08 x 0.08 x 0.08 inches; 5.47 ounces
Item model number ‏ : ‎ REF29450
Department ‏ : ‎ unisex
ASIN ‏ : ‎ B0CC4TDNBD
Best Sellers Rank: #133,280 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #318 in Hair Styling Serums
Customer Reviews: 4.7 4.7 out of 5 stars (4) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

Fortifies hair cuticles, shielding against free radical damage and providing organic coconut oil hydration
Penetrates each strand, combating frizz with jojoba and castor oils
Quinoa protein creates a protective layer, delivering amino acids for hair strength
Completely vegan and cruelty-free
Incorporates the brand’s Colour Preserve System for color-treated hair

Product summary

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