Goldwell StyleSign Smoothing Serum Spray — Heat Protection to 230°C, Frizz Control, High Shine (Vegan)

Goldwell StyleSign Smoothing Serum Spray is a lightweight, color-safe leave-in spray that smooths hair, shields from heat up to 230°C/446°F, reduces frizz and delivers high shine without adding hold.

Formulated with Marine Bamboo, this vegan spray slips between strands to make flat-ironing easier, protect from humidity and help prevent breakage during styling. It’s free from sulfates and mineral oil, dermatologically tested, CO₂-compensated, and designed for all hair textures—perfect when you want glossy, straight results without stiffness.

How does this spray protect hair from heat and reduce styling breakage?

The spray forms a lightweight protective film that improves flat-iron glide and reduces friction during heat styling. By smoothing the cuticle and minimizing mechanical stress, it helps lower the chance of hair snapping while you style.

• Heat protection up to 230°C / 446°F for safer flat-ironing
• Improves glide to reduce tension and hair breakage—up to 83% less during styling
• Light texture avoids weighing hair down or making it stiff

Will this change my hair’s natural color or affect color-treated hair?

This formula is color-safe, so it won’t strip or dull salon color when used as directed. It is free from sulfates and mineral oil, helping preserve vibrancy while protecting hair during heat styling.

• Color-safe ingredients maintain tone and shine
• Sulfate-free blend reduces striping risk
• Dermatologically tested for compatibility with treated hair

How do I use the spray for best results with a flat iron or blow dryer?

Hold the bottle 20–30 cm from dry hair and mist evenly, then comb through to distribute. Blow-dry to prep, or proceed with a flat iron—its slip reduces pulling and makes straightening faster and smoother.

• Spray from 20–30 cm, then comb through for even coverage
• Blow-dry or use flat iron after application for lasting smoothness
• Suitable for all hair textures—adjust amount for density and thickness

Is this product suitable for everyday use and what sensory finish does it leave?

The scent is light and non-overpowering, and the spray leaves hair silky with a high shine level (3/3) while registering no hold (0/5). Because it’s lightweight and free of heavy oils, you can use it regularly without buildup when rinsing normally.

• High maximum shine for glossy, healthy-looking hair
• Hold factor 0/5—no stiffness or crunchy finish
• Vegan formula with no animal-derived ingredients

Who is this for: Goldwell StyleSign Smoothing Serum Spray is aimed at anyone who wants smoother, shinier straight styles with less damage—ideal for people who regularly heat-style, those with frizz-prone hair, and color-treated clients seeking gentle, effective protection. It’s a practical pick for stylists and consumers who value fast glide, visible shine and a lightweight, vegan formula without sulfates or mineral oil.

Ingredients

Trisiloxane, Dimethicone, Alcohol Denat., Caprylyl Methicone, Caprylic/Capric Triglyceride, Himanthalia Elongata Extract, Fragrance/Parfum, Alpha-Isomethyl Ionone, Limonene, Linalool.