As the weather warms, frizz usually becomes more noticeable. Even hair that might have felt smooth and manageable earlier in the season can start to feel less manageable and harder to style. And while humidity plays a big role, frizz can also be tied to the condition of the hair.

Hair that is dry or porous is more prone to frizz because it seeks out and absorbs moisture from the air. Once that happens, the hair fiber swells, the surface becomes less smooth, and the finish looks less polished. That is why warmer weather tends to make frizz feel even more out of control. From weather to hair care habits, this is how to ensure smooth finishes all summer long.

 

What Causes Frizz

Frizz is often a sign that the hair needs more nourishment. When hair is dry, damaged, or uneven in porosity, it becomes more susceptible to the environment. It can react more easily to moisture in the air, which can make the cuticle lift and the hair look rougher or less defined. Because of this, frizz can impact all texture types from straight to wavy, curly, and coily hair in different ways. But, the underlying issue is usually the same—it’s caused by dryness, porosity, and a lack of balance in the hair fiber.

Why Summer Makes Frizz Worse

Warmer weather brings together a perfect storm for frizzy hair. Humidity is part of it, but everything from sun exposure, heat styling, frequent washing, and time spent outdoors enhances it. This is why frizz is so noticeable in the summer. Hair that was already slightly dry can quickly become harder to manage, with more puffiness, less definition, and less consistency from one day to the next.

Daily Habits That Cause Hair to Frizz

Seasonal changes can make frizz more visible, but daily habits can make it worse. Here are a few common causes:

  • Overwashing can strip away moisture.
  • Heat styling without protection can damage the surface of the hair.
  • Hot water can contribute to dryness.
  • Rough drying can disturb the cuticle and make hair appear less smooth.

 

Why SmoothFiller Makes Sense Before Summer

SmoothFiller is a salon-exclusive, demi-permanent smoothing service created to improve manageability without permanently altering the hair’s natural texture.

SmoothFiller 

The formula does not contain keratin or protein. Instead, through thermal activation, its Smart Delivery System delivers the active ingredient into the hair fiber, where it fills porosity gaps by forming new, stable bonds within the hair’s protein structure. Because porosity gaps can contribute to frizz and make styling more difficult, particularly in humid conditions, SmoothFiller is ideal before and during summer.

By supporting the hair from the inside out, SmoothFiller is designed to work with the hair to deliver smoother texture, help reduce frizz, and increase manageability for easier styling. And with results that last up to three months and gradually soften over time without visible regrowth, it gives you a low-maintenance option you don’t need to worry about.  Plus, for those with curly and coily hair, SmoothFiller creates softness and easier manageability while maintaining the hair’s natural texture pattern.

At-Home Care To Enhance Your Smooth

Managing frizz does not end at the salon. Hair that is taken care of between appointments stays soft, smooth, and is less impacted by frizz.

That is where ULTIMATE SMOOTH fits in seamlessly. Used as part of a consistent routine, it delivers 96 hours of frizz control² and helps support softness, smoothness, and shine so hair feels healthier and more manageable as the weather changes, whether you’ve had a treatment or not.
 

 

Get To Know ULTIMATE SMOOTH:

  • ULTIMATE SMOOTH Shampoo + Conditioner
    A nourishing, color-safe shampoo and conditioner duo formulated with Metal-Purifier technology to help detox your hair from metals, and Squalane & Omega-9 to nourish dull, dry, frizzy hair inside and out.
  • ULTIMATE SMOOTH Mask
    Perfect for dull, damaged and frizzy hair. This weekly treatment deeply smooths, nourishes and adds shine.
  • ULTIMATE SMOOTH Miracle Oil Serum
    A delicate hair oil that deeply nourishes hair in 30 seconds and delivers smoothness that lasts up to 3 days¹ with UV and heat protection (230°C/450°F), while leaving hair silky and shiny.

¹If unwashed for 3 days vs. untreated.

²When using ULTIMATE SMOOTH Miracle Oil Serum.