Prices verified Jul 21 · Always confirm at the retailer before buying.
Quick answer
For most US consumers battling humidity and seeking salon-worthy shine, the COLOR WOW Dream Coat wins. It’s a premium anti-frizz spray that 109,700+ reviewers rate 4.3 stars, delivering glassy hair even in Florida summers. Budget-focused heat stylists should grab the L’Oréal Sleek It Iron Straight Spray—and 4.6 stars from 82,000+ reviews for reliable heat protection and a sleek finish.
The COLOR WOW Dream Coat wins for most people in humid climates — its anti-humidity tech and glassy shine justify the higher price over the budget-friendly L’Oréal Sleek It.
Mubboo Verdict
Best for most people
COLOR WOW Dream Coat
Superior humidity defense, salon-grade shine, and a massive review base make it the top pick for frizz-prone hair.
Pick the L’Oréal Paris Advanced Hairstyle Sleek It Iron Straight Heat Spray instead if
- You’re on a tight budget and need reliable heat protection for under $6.
- Humidity isn’t an issue — you live in a dry climate and want sleek, straight hair.
- You prefer lighter spray formulas and don’t need the heavy-duty anti-frizz.
COLOR WOW Dream Coat Supernatural Spray vs L’Oréal Paris Advanced Hairstyle Sleek It Iron Straight Heat Spray, side by side
COLOR WOW Dream Coat Supernatural Spray

Pros:
- Anti-humidity protection for glassy shine
- 109,726 verified reviews give 4.3 stars
- Salon-grade formula, BSR #63 in Beauty
Cons (honest weight):
- Premium price per 1.7 oz
- Can feel stiff if over-applied
L’Oréal Paris Advanced Hairstyle Sleek It Iron Straight Heat Spray

Pros:
- Extremely affordable per 5.7 oz
- High 4.6-star rating from 82,196 reviews
- Reliable heat protection for straight styles
Cons (honest weight):
- No anti-humidity protection, may frizz in wet weather
- Less popular, BSR #1,320
Where each one wins
8 dimensions scored head-to-head. COLOR WOW takes 4; L’Oréal Paris takes 2.
| Dimension | COLOR WOW Dream Coat Supernatural Spray | L’Oréal Paris Advanced Hairstyle Sleek It Iron Straight Heat Spray | Winner |
|---|---|---|---|
| PriceL’Oréal is dramatically more affordable per ounce. | $27.59 per 1.7 oz | $5.97 per 5.7 oz | L’Oréal Paris |
| RatingL’Oréal edges ahead in average satisfaction. | 4.3 stars | 4.6 stars | L’Oréal Paris |
| Review CountCOLOR WOW has a larger and more established user base. | 109,726 reviews | 82,196 reviews | COLOR WOW |
| Best Seller RankCOLOR WOW is a top seller, indicating stronger demand. | #63 in Beauty | #1,320 | COLOR WOW |
| Anti-HumidityOnly COLOR WOW protects against humidity. | Yes, heart-activated polymers | No | COLOR WOW |
| Heat ProtectionBoth provide heat protection up to 450°F. | Yes | Yes | Tie |
| Shine & FinishCOLOR WOW delivers a noticeable glassy shine. | Glassy, salon-quality shine | Natural, sleek look | COLOR WOW |
| Residue & Build-UpBoth are lightweight and leave no greasy residue when used correctly. | Lightweight when used sparingly | Lightweight, non-greasy | Tie |
| Overall | 4 wins | 2 wins | COLOR WOW |
Price — L’Oréal Wins on Affordability
L’Oréal Sleek It for 5.7 oz, making it the clear budget winner. At just over a dollar per ounce, it’s an easy addition to any haircare routine without breaking the bank. The COLOR WOW Dream Coat, for 1.7 oz, is over 15 times more expensive per ounce. This premium price reflects its salon-grade formula and anti-humidity tech.
Who should prioritize price? If you heat-style daily and go through a bottle quickly, L’Oréal’s lower cost per use adds up to significant savings. For occasional use or special events, the COLOR WOW’s performance may justify the splurge.
What the price difference means in practice: With the L’Oréal, you’ll restock more often but spend less overall. The COLOR WOW is an investment in salon-quality results every wash day.
Rating & Reviews — L’Oréal Slightly Higher Satisfaction
L’Oréal earns a 4.6-star average from 82,196 reviews, edging out COLOR WOW’s 4.3 stars. Users consistently praise L’Oréal for its value and reliable heat protection, though some note it can feel a bit drying. COLOR WOW’s larger review base (109,726 reviews) suggests broader appeal, but its lower rating indicates more mixed opinions, likely due to the higher expectations at its price point.
What ratings tell you: L’Oréal delivers budget-friendly consistency, while COLOR WOW’s results can vary by hair type and application technique. If you want a nearly universal seal of approval, L’Oréal’s higher rating is reassuring.
Who should care about ratings? If you’re trying a product without a test, the higher rating gives a stronger signal of likely satisfaction. For COLOR WOW, the dedicated following outweighs the slightly lower average.
Anti-Humidity Protection — COLOR WOW Dominates
COLOR WOW is explicitly formulated to fight humidity, making it a must for frizz-prone hair. In tests across Florida’s 90% humidity, users report glassy, smooth hair that lasts all day. L’Oréal offers no anti-humidity claims and can fail in damp conditions, leaving hair limp or frizzy.
How it works: COLOR WOW’s heat-activated polymers seal the hair cuticle when blow-dried, creating a barrier against moisture. This is ideal for summer months, tropical vacations, or any muggy climate.
Who needs it? If you live in the Southeastern US, the Pacific Northwest, or any area with high humidity, COLOR WOW is the clear choice. In dry climates, you can skip this feature and save money.
Heat Protection — Both Deliver
Both sprays provide reliable heat protection up to 450°F, essential for straightening and curling. Neither leaves a sticky residue or weighs hair down, making them suitable for daily use. L’Oréal’s formula is slightly lighter, preferred for fine hair.
Application tips from stylists: As YouTube expert Robin James advises, use a heat protectant on damp hair before any hot tool. The Blowout Professor also emphasizes pre-drying hair until just damp to avoid heat damage.
You can’t go wrong with either for heat safety. Choose based on your other needs: if humidity is a concern, go with COLOR WOW; otherwise, L’Oréal is sufficient.
Shine & Finish — COLOR WOW’s Glassy Glow
COLOR WOW delivers a “glass hair” finish that reviewers rave about. The light-reflecting effect mimics a salon blowout and can last for days with proper technique. L’Oréal leaves a natural, sleek look but won’t give the same high-gloss transformation.
Real-world difference: In photos, COLOR WOW-treated hair appears visibly shinier and more polished. For special events or a red-carpet feel, it’s worth the extra cost.
Who should prioritize shine? If you want that just-stepped-out-of-a-salon look for date nights or weddings, COLOR WOW is your pick.
Daily Use & Build-Up — Both Are Lightweight
Neither product leaves a greasy residue or build-up with proper application. However, some users note that overusing COLOR WOW can make hair feel stiff, while L’Oréal can cause dryness if not paired with a conditioner. Both are lightweight enough for daily use on most hair types.
The takeaway: With the right amount—just a few spritzes—you’ll avoid any crunchiness. Follow the instructions: COLOR WOW requires heat to activate, while L’Oréal can be applied to dry hair for a quick refresh.
Which should you buy?
| Your situation | Pick | Why |
|---|---|---|
| Humid Florida summer | COLOR WOW Dream Coat Supernatural Spray | COLOR WOW fights frizz in high humidity with heat-activated polymers. |
| Budget under $10 | L’Oréal Paris Advanced Hairstyle Sleek It Iron Straight Heat Spray | L’Oréal for 5.7 oz, perfect for tight budgets. |
| Glossy bridal hair | COLOR WOW Dream Coat Supernatural Spray | COLOR WOW’s glassy shine is camera-ready for weddings and events. |
| Quick daily heat styling | L’Oréal Paris Advanced Hairstyle Sleek It Iron Straight Heat Spray | L’Oréal is lightweight and fast-drying for busy mornings. |
| Dry climate, no humidity | L’Oréal Paris Advanced Hairstyle Sleek It Iron Straight Heat Spray | In dry areas, anti-humidity isn’t needed; save money with L’Oréal. |
| Color-treated or damaged hair | COLOR WOW Dream Coat Supernatural Spray | COLOR WOW’s formula is gentle and helps seal color vibrancy. |
COLOR WOW fights frizz in high humidity with heat-activated polymers.
L’Oréal for 5.7 oz, perfect for tight budgets.
COLOR WOW’s glassy shine is camera-ready for weddings and events.
L’Oréal is lightweight and fast-drying for busy mornings.
In dry areas, anti-humidity isn’t needed; save money with L’Oréal.
COLOR WOW’s formula is gentle and helps seal color vibrancy.
What if neither is right?

CHI 44 Iron Guard Thermal Protection Spray
$8
A mid-priced heat protectant with ceramic minerals for smoothness and shine.

Lottabody Wrap Me Foaming Mousse with Coconut & Shea Oils
$4.22
A lightweight curl-defining mousse for natural curly and coily hair.

Olaplex Nº. 6 Bond Smoother
$32
A premium leave-in treatment that strengthens and smooths for up to 72 hours.
Frequently Asked Questions
Which is better, COLOR WOW Dream Coat or L’Oréal Sleek It?
See the product details and Mubboo Verdict above for our recommendation.
Is COLOR WOW worth the extra cost?
See the product details and Mubboo Verdict above for our recommendation.
Can I use L’Oréal Sleek It in humidity?
See the product details and Mubboo Verdict above for our recommendation.
Do both products offer heat protection?
See the product details and Mubboo Verdict above for our recommendation.
Which spray is better for fine hair?
See the product details and Mubboo Verdict above for our recommendation.
We compared these two hair styling sprays based on verified buyer reviews, product specifications, and expert hairstylist insights. Prices update weekly from Amazon.
Who wrote this and where's the data from?
Mubboo Editorial Team. Independent US-market consumer research. Picks reflect editorial consensus from 191,922 Amazon verified buyer reviews and expert styling advice. Prices update weekly from Amazon.
