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Benefits |
Nourishing frizz control & UV protection |
Repairs Damaged Hair |
Color vibrancy & revitalized hair |
Intense wash-off repair & smoothness |
Color protection formulas for fine & coarse hair |
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Texture |
Oil Serum |
Lightweight Spray |
Cream |
Thick cream |
Thick cream |
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Technology |
Squalane & Omega-9 |
AHA and Omega-9 |
Glycine & B5 |
Metal Purifier & Amino Acids |
Antioxidant Shield |
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Hair Type |
Frizzy Hair |
For All Hair Types |
Color Treated Hair |
Damaged Hair |
Coarse & Fine Colored Hair |
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For Colored Hair |
✓ |
✓ |
✓ |
✓ |
✓ |
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Wella ULTIMATE SMOOTH Miracle Hair Oil Serum
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Summary
Wella ULTIMATE SMOOTH Miracle Oil Serum offers 96 hours frizz control and helps protect from UV and heat, while delivering up to 85% smoother hair*. Wella ULTIMATE SMOOTH nourishes hair in 30 seconds with smoothness that lasts up to 3 days*.
Benefits
- Nourishes hair in 30 secs, with smoothness that lasts up to 3 days*
- Deeply nourishes hair inside & out leaving it visibly smoother & shinier
- *If unwashed for 3 days vs. untreated
- 2025 Allure Best of Beauty Award Winner for Best Finishing Oil
Features
- Heat protectant for dry & frizzy hair Helps to protect from UV light & heat (230°C/450°F)
- Provides 96 hour frizz control & silky shine
- Up to 85% smoother hair* and up to 6x easier combing*
- Notes of jasmine, vanilla, bergamot, peach & sandalwood - enjoy a floral bouquet scent with every use
- For best results, use with ULTIMATE SMOOTH Shampoo, ULTIMATE SMOOTH Conditioner, and Hair Mask (weekly)
- *vs. untreated
Key Ingredients
- *Wella Company is a member in International Collaboration on Cosmetics Safety
Item 2636625
Use ULTIMATE SMOOTH Hair Oil Serum before, during or after shower.
Apply 1-3 pumps onto damp hair lengths & ends or apply small amount on dry hair after styling. For best results, pair with the rest of the Wella Professional ULTIMATE SMOOTH hair care regimen.
Dimethicone, Dimethiconol, Alcohol Denat., Parfum/Fragrance, Tocopheryl Acetate, Glyceryl Oleate, Malic Acid, Limonene, Linalool, Oleic Acid, Squalane, Lecithin, Ascorbyl Palmitate, Tocopherol, Hydrogenated Palm Glycerides Citrate.
Shipping Restrictions : This item cannot be shipped via air.
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Reviews
Review Snapshot
by PowerReviews
Ratings Distribution
Hair Type
Most Helpful Positive Review
Works Great!
I'm 49 and my hair has been through a lot. It's thinning, frizzy, and just doesn't look like it used to. I've tried so many deep conditioners and masks over the years—some were too heavy, some didn't do anything, and most just left me disappointed. I wasn't expecting much when I grabbed the Wella Ul...
Most Helpful Critical Review
The Verdict Is Still Out
I have pretty damaged hair from years of wearing it up and using a flatiron. My ends are pretty split and I suffer from flyways and frizzy hair. Thus, I was really hoping that the Ultimate Smooth Conditioner from Wella Professionals would help to repair some of the damage. While I love the smell...
228 results
Frizz be gone
Hair Type Very Curly Hair
This product was everything I thought it to be. I have incorporated it into my wash day routine and seemed to have my frizz under control. I am on my second day of a twist out and it still looks fresh, I have 4b color treated hair. I will purchase again.

Works Great!
Hair Type Straight Hair
I'm 49 and my hair has been through a lot. It's thinning, frizzy, and just doesn't look like it used to. I've tried so many deep conditioners and masks over the years—some were too heavy, some didn't do anything, and most just left me disappointed. I wasn't expecting much when I grabbed the Wella Ultimate Smooth Mask, but honestly? I was surprised in the best way. From the first time I used it, my hair felt softer and smoother, even while it was still wet. Once I dried it, I noticed less frizz and more shine. Not greasy shine, but that healthy, glossy look I hadn't seen in years. It also made my hair feel stronger and easier to comb through, which is huge since my fine hair usually turns into a tangle-fest after a shower. I use it maybe 2–3 times a week, just depending on how my hair feels. I leave it on while I shave my legs or clean the bathroom sink—nothing fancy or complicated. The smell is light and kind of salon-fresh, and the texture is thick and creamy. A little goes a long way, so even though it's not cheap, it lasts a while. One thing I love is that it smooths my hair without weighing it down. I've had smoothing products in the past that left my hair flat and oily the next day. This one doesn't do that. I still get a little volume, and it holds a style better because my hair isn't all dried out. I really wish I had found this stuff sooner. My hair feels softer, looks shinier, and actually behaves for once. I still have frizz here and there (thanks humidity), but way less than before. This mask doesn't fix everything, but it's made a big difference for me. If your hair is aging, thinning, or just needs some love, I totally recommend giving this a shot.

Smooths and Smells Great
Hair Type Wavy Hair
I was not sure what to expect from this product, but I was pleasantly surprised with the outcome. With only a few pumps, I blend this into my damp hair and let it dry. It is very slippery and you need to wash your hands afterwards because of this. I do not use a blow dryer often but do curl my hair with a curling iron. It has a soft scent that you smell at first and when it dries which is pleasant. I would not say it completely controls my frizz because I have coarse, thick curly hair that is hard to manage. It does although protect it when I use hot tools and I do notice more shine to my hair that is not sticky.
Shocking results!
I have dry tangly fine hair and struggle with lots of hair breakage, this oil worked really well for me. A pump after shower (damp hair) helps to brush the hair very easily. It creates a nice sleek look once blow dried. I am very happy to have tried this product and will be using it often to create a slick, shiny and less dry hair!
Smells So Good!
Hair Type Wavy Hair
I have really enjoyed using Wella Professionals Ultimate Smooth Mask because it smells so good and leaves my hair feeling amazing. It is something that I would not recommend using every day or every other day but rather once a week because it does weigh down my hair more than I would like but it leaves my hair feeling and looking so much better. I love the fact that this product is not tested on animals, deeply nourishes, and smooths my hair way better than other products I have tried. I am currently working on regrowing and restoring my hair because by the top part it's so frizzy usually no matter what I do but after using this mask for a few weeks its almost eliminated all the frizz! Oh, and did I mention the shine it has brought to my hair?! It looks like I have been washing my hair with rice water the shine is so good! I love it! I would recommend this hair mask to those looking to step up their hair game!

