Lightweight thickening styler for fine hair
Paul Mitchell Thicken Up is a lightweight styling product designed to make fine or thin hair look and feel thicker — without stiffness or heaviness. Ideal for blow-drying and everyday styling, it adds body, shine and definition while maintaining natural movement and soft hold.
Formulated with thickening conditioners and clean styling agents, Thicken Up creates volume and structure at the roots and through the lengths. Strengthening ingredients and built-in UV protection help protect fine hair from environmental damage, keeping hair looking healthy and full.
Why professionals recommend Thicken Up
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Makes fine hair look and feel visibly thicker
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Adds volume and body without heaviness
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Enhances shine and definition
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Provides soft memory for flexible styling
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Lightweight formula ideal for fine hair
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Helps protect hair from damaging UV rays
How it works
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Thickening conditioners coat the hair lightly to increase diameter
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Clean styling agents add structure and definition without stiffness
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Strengthening ingredients support fine hair during styling
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UV filters help protect hair from sun-related damage
How to use
Apply a small amount to clean, towel-dried hair.
Distribute evenly through the roots and lengths.
Blow-dry for maximum volume or air-dry for a natural, fuller look.
✔ Can also be layered with lightweight heat protection if needed.
Suitable for
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Fine or thin hair
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Hair lacking volume or density
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Hair that falls flat after styling
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Blow-dried or styled hair
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Anyone wanting thicker-looking hair with natural movement
Professional tip
Less is more with fine hair. Start with a small amount at the roots, then add more only if needed. Pair with a lightweight shampoo and conditioner for best volume results.
