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How to Add Volume and Body to Fine Hair
Fine hair gets a bad reputation. It's often described by what it can't do aka can't hold a style, can't keep volume, can't look anything other than flat by lunchtime. But the truth is, fine hair isn't the problem. The wrong products are.
Fine strands are actually capable of incredible body and movement, they just need a different approach than we would with thicker hair types. With the right technique and the right products, you can get volume that genuinely lasts, without your hair feeling coated, stiff, or weighed down. Here's how..
Why fine hair loses volume so quickly
Fine hair has a smaller diameter than other hair types, which means each individual strand carries less natural weight and structure. On one hand, this makes it incredibly soft and lightweight. On the other, it means it responds more dramatically to gravity, humidity, and product weight.
The most common mistakes that make fine hair go flat:
- Using heavy conditioners or styling products that sit on the hair and drag it down
- Applying products to the roots (oils, masks, heavy leave-ins) that block lift at the base
- Not using any styling products at all, so there's nothing to support the shape
- Over-washing, which can strip the scalp and trigger excess oil production, making hair go limp faster
- Blow-drying without a product underneath, so the style has no structure to hold onto
The good news: all of these are fixable. And the fix starts at the roots.
Extra Body Root Boost: lift where it matters most
Volume lives at the root. You can tease, backcomb, and spray all you like mid-length and ends, but if the root is flat, the style will always look flat. Paul Mitchell Extra Body Root Boost is designed specifically to target this.
It's a lightweight volumising spray that lifts hair at the root and adds body from the base up, without adding weight or stiffness. Applied to damp roots before blow-drying, it works with the heat to build real, lasting lift that doesn't collapse the moment you step outside.
It works especially well for:
- Fine or flat hair that drops within an hour of styling
- Anyone who wants more lift without more effort
- Hair that looks fine immediately after washing but goes limp once dry
- Those who've tried volumising sprays before and found them too heavy or sticky
Pro tip: Apply Root Boost directly to the roots on damp hair, lift sections with your fingers as you spray, and then blow-dry using the nozzle pointing downward along the shaft but flip your head upside down for the first few minutes. The combination of the product and gravity working against each other creates lift that sets into the hair as it dries.
Extra Body Sculpting Foam: body from root to tip
While Root Boost targets the base, Paul Mitchell Extra Body Sculpting Foam works through the lengths to add fullness, texture and soft hold across the whole of the hair.
Unlike a lot of volumizing mousses that leave hair feeling crunchy or coated, This foam dries to a soft, pliable finish. It adds body and definition without stiffness, which means your hair still moves naturally and doesn't look over-done.
It's a great match for:
- Natural drying — it enhances texture beautifully without heat
- Diffused curls or waves that need definition without crunch
- Blowouts on fine hair where you want extra body through the lengths
- Anyone who wants a fuller, thicker-looking finish without using heavy products
Pro tip: Pump a golf ball-sized amount into your palm, rub your hands together to emulsify it, and scrunch it upward through damp hair from ends to roots. For a blowout, distribute it evenly with a wide-tooth comb before drying. Either way, don't apply too much — fine hair responds better to a light, even application than a heavy coat.
Using them together: the full volume routine
Root Boost and Extra Body Sculpting Foam are even more effective when used as a pair. Together they cover every part of the hair, base lift from Root Boost, all-over body from Sculpting Foam, for a finish that looks genuinely full and lasts through the day.
- Start with clean hair: Volume products work best on freshly washed hair. Use Paul Mitchell Shampoo Two to remove any build-up that might be weighing your hair down.
- Blot dry gently: Press a towel against your hair rather than rubbing. Hair should be damp — not soaking, not nearly dry.
- Apply Root Boost to roots: Lift small sections and spray directly at the base. Work through the whole head before moving on.
- Apply Sculpting Foam through the lengths: Emulsify in your palms first, then work through mid-lengths and ends. Avoid the roots — Root Boost has that covered.
- Blow-dry with a round brush: Use medium heat, work in sections, and use the cool shot to set each section before releasing. Point the nozzle downward to smooth the cuticle and add shine.
- Finish with a light hairspray if needed: For extra longevity, a light mist of Freeze and Shine across the top locks in the volume without flattening it.
Common myths about fine hair
"Fine hair can't hold volume." It can, it just needs the right products applied in the right places. Root lift products and lightweight foams are specifically designed for this.
"Using more product gives more volume." The opposite is often true. Too much product weighs fine hair down and makes it go flat faster. Less, applied correctly, almost always gives better results.
"You need to wash fine hair every day to stop it going flat." Over-washing can stimulate oil production at the scalp, which makes hair go limp faster. Washing every other day with the right shampoo is usually more effective.
"Conditioner is bad for fine hair." Fine hair still needs moisture, but apply conditioner to mid-lengths and ends only, never the roots. This keeps hair hydrated without weighing down the base.