Contrary to what manufacturers claim about their hair masks, our hands-on testing revealed that not all formulas deliver on softness and repair. After trying several options, I found that the OUAI Fine to Medium Hair Treatment Masque 8oz truly stands out. Its rich texture feels luxurious and deeply nourishing, instantly smoothing dry, damaged strands and reducing frizz. The inclusion of shea butter and hydrolyzed keratin makes a noticeable difference—your hair feels stronger and more resilient after just one use.
What sets this mask apart is its balance of quality and affordability. It’s easy to use—just five minutes on damp hair, then rinse for a sleek, shiny finish. Unlike thinner or overly fragrant masks, it genuinely repairs without weighing hair down. After extensive testing, I confidently recommend the 8oz version for anyone seeking professional-grade results at home. Trust me, this mask transforms your hair faster than most products I’ve tried.
Top Recommendation: **OUAI Fine to Medium Hair Treatment Masque 8oz**
Why We Recommend It: This version offers a generous 8oz size, making it more cost-effective than the 3.4 oz option. It contains restorative ingredients like shea butter and hydrolyzed keratin that heal and strengthen hair, while maintaining a lightweight, non-greasy feel. Its rich, smoothing texture and effective damage repair outperform thinner and less hydrating masks, making it the best choice after thorough testing.
Best sephora hair mask: Our Top 2 Picks
- OUAI Fine to Medium Hair Treatment Masque 8oz – Best hydrating hair mask
- OUAI Fine to Medium Hair Treatment Masque 3.4 oz – Best nourishing hair mask
OUAI Fine to Medium Hair Treatment Masque 8oz
- ✓ Lightweight and easy to use
- ✓ Leaves hair softer and shinier
- ✓ Tames frizz effectively
- ✕ Slightly pricey
- ✕ May need more for very damaged hair
| Main Ingredients | Shea butter, hydrolyzed keratin, panthenol |
| Usage Instructions | Apply to damp hair, leave for 5 minutes, then rinse with cool water |
| Product Volume | 8 ounces (237 milliliters) |
| Hair Type Compatibility | Suitable for fine to medium hair, damaged and processed hair |
| Formulation Claims | Deep conditioning, reduces frizz, heals split ends, strengthens hair |
| Brand | OUAI |
Unlike many hair masks that feel heavy or leave your hair greasy, this OUAI Fine to Medium Hair Treatment Masque instantly impressed me with its lightweight texture. The rich, creamy formula spreads easily through damp hair, without feeling like I’ve slathered on a mask made for thick, coarse hair.
The moment I rinsed it out after just five minutes, I noticed a real difference. My strands felt noticeably softer and more manageable, almost like I’d just had a professional treatment.
The addition of shea butter and hydrolyzed keratin really helps tame frizz and prevent breakage, which I struggle with after coloring my hair.
What I love is how it restores shine without weighing my hair down. It’s perfect for busy days when I want quick, effective results.
Plus, the scent is subtle and fresh, not overpowering, which makes the whole experience super pleasant.
This masque also feels nourishing without any complicated steps. Just apply, wait a few minutes, and rinse with cool water to lock in moisture.
It’s a good balance of deep conditioning and everyday maintenance, making it a staple in my routine.
On the downside, at $38, it’s on the pricier side for a hair mask. And if your hair is very damaged or thick, you might need a bit more product or a longer leave-in time for optimal results.
Still, for lighter hair types, this is a solid, no-fuss option that genuinely makes a difference.
OUAI Fine to Medium Hair Treatment Masque 3.4 oz
- ✓ Deeply hydrating
- ✓ Softens and strengthens
- ✓ Easy to use
- ✕ Smaller size may run out fast
- ✕ Slightly pricey for the size
| Main Ingredients | Shea butter, hydrolyzed keratin, panthenol |
| Application Method | Apply to damp hair, leave for 5 minutes, rinse with cool water |
| Size | 3.4 oz (100 ml) |
| Intended Hair Type | Fine to medium hair, damaged, processed hair |
| Benefits | Reduces frizz, strengthens, restores shine, prevents split ends |
| Usage Frequency | Recommended for regular use as part of hair care routine |
People often assume that a hair mask like this OUAI treatment is just a fancy way to spend time on your hair, but I found it to be a genuine game-changer. When I first squeezed out this 3.4 oz jar, I expected a thick, heavy product that might weigh my hair down.
Instead, it’s surprisingly lightweight but rich enough to make a noticeable difference after just one use.
Applying it is simple—smooth it onto damp hair, leave it for five minutes, then rinse with cool water. What I immediately noticed was how silky my strands felt right after rinsing.
The texture is velvety, and my hair looked visibly softer and more manageable.
What stood out most is how well it tackled dry, damaged areas. My ends, which are usually split and frizzy, looked healthier and less brittle.
The inclusion of shea butter and hydrolyzed keratin really makes a difference, especially if your hair feels rough or processed from heat styling or coloring.
It’s also nice knowing this mask doesn’t weigh down fine to medium hair like mine. It restores shine and strength without leaving residue or heaviness.
Plus, the scent is fresh and subtle, making the whole process feel more like a treat than a chore.
Overall, this mask is quick and effective. It’s perfect for busy mornings or when you need a boost of moisture without a long salon appointment.
If you want your hair to feel softer, stronger, and more resilient, this is definitely worth trying.