Osmo Straighten Up Smoothing Fluid – 250ml

Achieve salon-smooth, sleek hair that lasts with Osmo Straighten Up Smoothing Fluid, your go-to heat-activated straightening spray.

Formulated with Vegan Keratin and a unique thermal-styling complex, this professional-grade smoothing serum works with flat irons and blow dryers to lock in longer-lasting straightness, while defending your hair against heat damage.

Whether you have curly, wavy, or frizz-prone hair, this lightweight anti-frizz hair spray glides through damp strands to retain moisture, seal the cuticle, and maintain your hair’s natural shine. 

Free from harsh sulfates and packed with hair-loving ingredients like Hydrolyzed Keratin and Cetrimonium Methosulfate, it delivers a polished, touchable finish with every style.

Perfect for daily styling or special occasions, Straighten Up is safe for all hair types—from fine to thick, color-treated to natural.

It’s your new styling essential for effortless, smooth, frizz-free hair.

Key Benefits:

Heat-activated straightening fluid for long-lasting smoothness

Enriched with Vegan Keratin to strengthen and protect

Shields hair from thermal damage caused by flat irons & blow dryers

Controls frizz and enhances shine

Lightweight, non-greasy formula for all hair types

How to Use:

Spray evenly onto towel-dried hair in sections. Comb through from root to tip. Blow-dry using a large barrel brush. Finish with styling irons to activate and set the smooth style.