Paul Mitchell Round Trip Defining Serum 150ml
Achieve beautifully defined, touchable curls with Paul Mitchell® Round Trip® Liquid Curl Definer. This lightweight styling serum enhances natural waves and curls while providing flexible hold that lasts all day.
Designed to speed up styling time, it helps curls form faster and reduces drying time, making it perfect for busy mornings or salon styling. Conditioning ingredients hydrate and protect hair, leaving curls soft, shiny, and full of life—never stiff or sticky.
Infused with a juicy tropical fruit fragrance complemented by aromatic black currant, it leaves hair smelling as fresh as it looks.
Features & Benefits
- Lightweight serum for defined, bouncy curls
- Flexible, touchable hold without crunch
| Product Information |
|---|
| Brand: Paul Mitchell |
| Size: 150ml |
| Product Type: Curl Defining Serum |
FAQ
How long does the hold last after application?
The flexible hold lasts all day without becoming stiff or crunchy.
Does it work on all hair types?
It is formulated for natural waves and curls, providing best results on curly or wavy hair.
Is the fragrance strong?
The fragrance is a juicy tropical fruit blend with aromatic black currant, offering a fresh and pleasant scent without being overpowering.

Maria James –
This serum really defines my curls without making them stiff. I apply it before blow-drying and my curls hold well throughout the day. The scent is light and refreshing, and my hair feels soft and hydrated after use.
Jennifer Lewis –
I’ve tried several curl serums, but this one gives the most natural-looking definition. It dries quickly and doesn’t leave any residue. My curls stay bouncy and full, even after a long day.
Joe Roberts –
Love how easy it is to use. Just a few drops go a long way. My curls form faster and look healthier. The fragrance is pleasant and doesn’t overpower the hair.