Shop now Styling StaplesAn effortless styling routine starts and ends with More Inside. The easy-to-use formulas make it possible to create looks that embrace your hair type. 
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OI
OI Oil Multi-purpose hair oil designed to fight frizz, add shine, and hydrate
£47.75
Price (£0.35/ml)
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OI
OI All In One Milk Leave-in hydrating treatment controls frizz, protects from heat, and adds shine and softness
£30.75
Price (£0.23/ml)
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OI
OI Liquid Luster Instant ultra-shine and softening gloss treatment for all hair types
£42.00
Price (£0.14/ml)
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OI
OI Conditioner Hair conditioning cream to give amazing softness, moisture and shine
£27.75
Price (£0.11/ml)
OI
OI Body Wash Moisturizing shower gel that gently cleanses and hydrates the skin
£25.00
Price (£0.09/ml)
OI
OI Soufflé Leave-in liquid-to-foam mousse for radiant shine and full-bodied
£20.00
Price (£0.40/ml)
New
SET
OI Shampoo Travel Refill Kit Travel size shampoo with refill for radiant, shiny, velvety-soft hair
Unavailable
New
SET
OI Shampoo Refill Kit Regular size shampoo with refill for radiant, shiny, velvety-soft hair
Unavailable