Smooth Filler
A smoothing and strengthening treatment that takes out frizz and leaves hair sleek, shiny and manageable for up to five months. It halves your drying time and gives long-lasting, humidity-resistant results — without taking away your volume.
Who it’s for
Anyone who fights frizz, spends a long time drying and straightening, or whose hair reacts badly to humidity and rain. If it would give you back an hour a week, this is the service that does it.
What to know before you book
- It lasts up to five months, then fades out gradually — no harsh line or grow-out.
- It doesn’t remove volume or curl entirely. It smooths and calms rather than flattening.
- Long or thick hair: book the long or thick hair version instead — it needs more product and more time.
- Long or thick hair takes longer and uses more product — book the long/thick version if that’s you, and ask us first if you’re not sure.
Reviews
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Brittany Ballinger 5 star Google review
“I had a really wonderful, 10/10 experience at PeterJames Hairdressing this morning. After cutting my own hair for several years due to the pandemic and then having newborn twins, my hair was in a sorry state 😳 - totally uneven, jagged layers, a real mess. Zowie did an incredible job repairing my hair and transforming it into something I could be proud of (and no longer embarrassed by)! Peter, James, and Zowie all took the time at the start to discuss different options with me, clearly communicating what they thought would suit my hair and face shape best. They made me feel so heard and valued, and just really good about myself! The process of cutting and styling my hair went so smoothly. Zowie was so easy to talk to and she did a great job communicating each part of the process as it was happening. I couldn't be happier with the end result. Lesson learned, no more cutting my own hair 😆! PeterJames Hairdressing, I'll definitely be back. Thank you so much! ❤️”
Read more of Brittany Ballinger's review -
Zoe Speirs 5 star Google review
“Great experience, I went for a smoothing treatment for my frizzy hair with Zowie. Really friendly, lovely with great knowledge and advice to help an inexperienced person like myself. Such a nice salon inside. All the staff were so nice too, with lots of cups of tea made for me. Would defo recommend :)”
Read more of Zoe Speirs's review -
Genevieve Penny 5 star Google review
“Zowie was fantastic - she spent time feeling my hair and listening to my struggles with it before recommending the type of cut that would be best, checking in with me through the whole process. I felt very safe in her hands!”
Read more of Genevieve Penny's review - L Lana 5 star Treatwell review
“Absolutely lovely. I have very damaged abused hair from years of bleaching and extensions. They were kind, polite and non-judgmental towards my hair concerns. They are are real miracle workers. My hair has gone from a damaged birds nest to a beautiful, well conditioned sleek professional cut. I really couldn’t be happier. Thank you so much.”
Read more of Lana's review - H ho ho 5 star Google review
“Visiting Edinburgh from Canada. What a pleasure & joy to experience this salon away from my familiar trusted home hairstylists. Keeva - thanks for the relaxing wash & scalp massage, and for the haircut that has had many wonderful compliments. Thanks to your awesome colleagues too. Great salon!”
Read more of ho ho's review - C Correen 5 star Treatwell review
“Felt comfortable from the offset. Peter listened and advised to give me my favourite haircut in years! Bonus points for Lola the very cute pup”
Read more of Correen's review - M Michiala 5 star Treatwell review
“Took lots of care over my haircut. Lovely salon!”
Read more of Michiala's review - A Agata 5 star Treatwell review
“I had a wonderful experience getting a haircut and blowdry with Zowie at Peter James Scalp & Hair Clinic and I couldn't be happier with the results. If you are looking for a great service - this is the place!!”
Read more of Agata's review
Who is Smooth Filler for?
Anyone who fights frizz, spends a long time drying and straightening, or whose hair reacts badly to humidity and rain. It halves your drying time.
How long does Smooth Filler last?
Up to five months. It then fades out gradually, so there's no harsh line or grow-out.
Will it make my hair flat?
No. It smooths and calms rather than flattening, without taking away your volume.
How is it different from the Glass Lamination Blow-dry?
Glass Lamination is a single-visit boost that lasts around three weeks. Smooth Filler is a months-long service you plan around, lasting up to five months.
Do I need the long or thick hair version?
If your hair is long or thick, yes. It needs more product and more time, so book the long or thick hair version, and ask us first if you're not sure.