LOREAL PROFESSIONAL SERIES EXPERT PRO LONGER HOLIDAY DUO
What is it:
Thinned ends are a thing of the past with the Series Expert Pro Longer Holiday Set. If you’ve been trying to grow out your hair, but are constantly battling with thinned-out ends, this is the gift set for you.
Powered by the exclusive, patented thickening technology, Filler-A100 + Amino Acid, this duo is the perfect treatment for long hair suffering from thin ends. The filler works to strengthen the ends. Start with the shampoo and then treat yourself with the masque.
How to Use:
For the shampoo, distribute evenly on wet hair. Lather. Rinse thoroughly.
Following the Pro Longer Shampoo, apply masque on towel-dried lengths. Leave in 3 to 5 minutes. Rinse out.
| Product Components | Usage |
|---|---|
| Pro Longer Shampoo | Distribute on wet hair, lather, rinse thoroughly |
| Pro Longer Masque | Apply to towel-dried lengths, leave for 3–5 minutes, rinse out |
FAQ
Can this duo be used on color-treated hair?
Yes, the product is formulated to be safe for color-treated hair and helps strengthen ends without compromising color.
How often should I use this treatment?
For best results, use the shampoo once a week and the masque every two weeks.
Does the thickening technology work on all hair types?
The Filler-A100 + Amino Acid technology is effective on long, thinning hair, especially those with damaged or weakened ends.

Alexandra Abraham –
After using the shampoo and masque for four weeks, my hair ends feel much stronger and fuller. The texture improved noticeably, especially at the tips. I no longer see split ends as often.
Christopher Cornish –
I’ve used hair treatments before, but this one actually made a visible difference. My long hair looks healthier and less frayed. The masque left my hair soft and manageable.
Elizabeth Hardacre –
The thickening effect is real. I used it twice in a month and noticed less breakage. My hair feels more resilient and the ends are no longer thinning.
Carolyn Randall –
It works well for my medium-length hair. After a few uses, the ends look fuller and less brittle. I’d recommend it to anyone with thinning ends.
Jane Springer –
This duo is a game-changer for long hair. I used it once a week for three weeks and saw a significant improvement in strength and volume at the tips.