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A 7.4 oz aerosol hairspray can with a matte finish and a spray nozzle

Alterna

Alterna My Hair My Canvas City Slay Shielding Hairspray 7.4 oz

SKU CH-SB4V-1BJRY

Shielding hairspray provides heat protection up to 450 degrees Fahrenheit and 232 degrees Celsius, humidity resistance for 72 hours, and pollutant defence with flexible hold

  • Heat protection up to 450°F / 232°C for safe styling
  • Shields hair from urban pollutants and environmental damage
  • Buildable flexible hold lets you shape without stiffness
  • Humidity resistance lasts up to 72 hours for frizz control
  • 4 oz size gives plenty of product for daily use

City Slay Shielding Hairspray 7.4 oz

Alterna My Hair My Canvas City Slay Shielding Hairspray is a 7.4 oz unisex styling spray designed for anyone who needs heat defence and environmental protection in one step. It suits daily wearers who want flexible hold that can be layered without stiffness.

Thermals noise and power

The formula shields strands from thermal tools up to 450 degrees F or 232 degrees C while also blocking airborne pollutants. Humidity resistance lasts for up to 72 hours so the finish stays intact through changing weather.

Deciding specification

The single factor that determines fit is the 72 hour humidity protection combined with 450 degree F heat defence. Buyers who need longer climate resistance or higher thermal limits will not find those levels here.

How it compares

Measured against everything we stock in Hair Styling Tools & Salon Products, at today’s prices. Recalculated every night.

Price $19.99
Typical for this category: the median of 1,592 items is $18.99.

Specifications

Product
Brand nameAlterna

Questions about this item

How do I apply the spray before heat styling so the shield actually works?

Mist evenly onto dry or damp hair section by section before using hot tools, letting the product settle briefly so the heat protection up to 450 degrees F or 232 degrees C can form a uniform barrier.

What will I need to replace or replenish to keep the humidity shield working beyond the first few days?

The 7.4 oz can supplies the flexible-hold formula that delivers up to 72 hours of humidity protection; once the can is empty, buy another to maintain the shield.

Which limit appears first during a long styling session — the heat ceiling or the hold giving out?

The spray is rated for heat protection up to 450 degrees F or 232 degrees C, so the thermal ceiling is the first hard limit; the buildable flexible hold lasts through the session but will not exceed that temperature rating.

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