When it comes to keeping your hair smooth, manageable, and frizz-free, a leave-in conditioner can make all the difference. These lightweight yet powerful products are often the secret to achieving healthy-looking hair that’s easy to style — and two of the most popular options on the market are OUAI Leave In Conditioner and Briogeo Farewell Frizz Rosarco Milk Leave-In Conditioning Spray.
Both have earned rave reviews, but which one is the best fit for your unique hair needs? In this in-depth comparison, we’ll break down the benefits, ingredients, texture, and pricing of each product to help you make the right choice for your hair care routine.
What You’ll Learn in This Article:
- Product Overview: OUAI vs. Briogeo
- Key Ingredient Comparison
- Texture and Fragrance
- How to Use Each Product
- Price Differences
- Final Verdict: Which Leave-In Conditioner Should You Choose?
Product Overview: OUAI Leave In Conditioner vs Briogeo Farewell Frizz
OUAI Leave In Conditioner
OUAI is a lifestyle-driven beauty brand founded by celebrity hairstylist Jen Atkin. Their products are known for their chic aesthetic and salon-grade results. The OUAI Leave In Conditioner is a multi-functional spray designed to fight frizz, repair dry ends, detangle hair, and offer heat protection up to 450°F/232°C. It’s perfect for prepping hair before styling or adding shine and smoothness on the go.
Briogeo Farewell Frizz Rosarco Milk Leave-In Conditioning Spray
Briogeo, on the other hand, emphasizes clean, natural, and effective formulas with a commitment to diversity and sustainability. The Farewell Frizz Rosarco Milk Leave-In Conditioning Spray is formulated with 98% naturally derived ingredients, including a nourishing blend of rosehip, argan, and coconut oils. It promises to reduce frizz for up to 48 hours while enhancing shine, hydration, and manageability — all without harsh additives.
Key Ingredient Breakdown
OUAI Leave In Conditioner
This vegan-friendly, cruelty-free formula features:
- Tamarind Seed Extract – Delivers lightweight hydration and antioxidant protection, rich in linoleic acid to nourish and soften strands.
- Panthenol (Pro-Vitamin B5) – Moisturizes and strengthens hair fibers.
- Vitamin E – A potent antioxidant that supports healthy hair and helps lock in moisture.
- Hydrolyzed Proteins – Strengthens hair structure and defends against environmental and chemical damage.
Free from: Parabens, SLS/SLES, phthalates, gluten, and animal-derived ingredients.
Briogeo Farewell Frizz Rosarco Milk Leave-In Conditioning Spray
This lightweight, silicone-free formula contains:
- Rosehip Oil – Rich in essential fatty acids to fight frizz and restore hydration.
- Argan Oil – Provides deep conditioning with vitamin E and fatty acids.
- Coconut Oil – Seals in moisture, protects against heat, and combats environmental stressors.
Free from: Sulfates, silicones, parabens, phthalates, artificial dyes — and made with 98% naturally derived ingredients.
Texture and Scent Comparison
OUAI Leave In Conditioner
This product has a lotion-like texture, not entirely watery, but still easy to distribute through the hair. While it may not mist as finely as other sprays, it won’t weigh hair down and is effective at detangling and softening strands.
The scent is North Bondi — a luxe floral blend with notes of bergamot, violet, and white musk. Described as elegant, clean, and salon-fresh, it lingers subtly throughout the day without being overpowering.
Briogeo Farewell Frizz Rosarco Milk Leave-In Conditioning Spray
Briogeo’s spray has a light, milky consistency that absorbs quickly and leaves no greasy residue. It smooths hair instantly, making it easier to manage and style.
The fragrance is a subtle mix of soft florals, clean soap, and a hint of coconut, finishing with warm woody undertones. It’s gentle, fresh, and well-suited for those sensitive to strong scents.
How to Use Each Leave-In Conditioner
OUAI Leave In Conditioner
Ideal for: All hair types, especially dry, damaged, or frizz-prone hair.
How to apply:
- After washing, towel-dry your hair.
- Spray 6–8 inches away, focusing from mid-lengths to ends (avoid roots).
- Comb through to distribute evenly.
- Can be used on wet or dry hair, before styling or as part of your daily routine.
This product offers a heat-protectant barrier while adding shine, moisture, and softness.
Briogeo Farewell Frizz Rosarco Milk Leave-In Conditioning Spray
Ideal for: All hair textures — especially those battling dryness, frizz, and humidity.
How to apply:
- Spray onto damp hair, concentrating on mid-lengths and ends.
- Comb through — no need to rinse.
- Let air dry or style as usual.
Scientifically proven to reduce frizz for up to 48 hours, this spray works best as a post-shower treatment to lock in hydration.
Price Comparison
Here’s a breakdown of typical pricing for each product:
| Product | Size | Approximate Price |
| OUAI Leave In Conditioner | 45ml | $17 |
| OUAI Leave In Conditioner | 140ml | $30 |
| Briogeo Rosarco Milk Spray | 50ml | $12 |
| Briogeo Rosarco Milk Spray | 150ml | $24.50 |
Verdict: OUAI’s Leave In Conditioner is slightly more expensive than Briogeo’s per ounce, but it offers added heat protection and a more perfume-like scent experience. Briogeo delivers excellent value, especially if you prefer clean beauty and sustainable packaging.
Which Leave-In Conditioner Should You Choose?
Choose OUAI Leave In Conditioner if:
- You need heat protection (up to 450°F)
- You want a sophisticated floral fragrance
- You’re looking for a multi-tasking formula for both wet and dry hair
- You love luxury hair care that doubles as a styling primer
Choose Briogeo Farewell Frizz Rosarco Milk if:
- You prioritize natural, clean ingredients
- You want long-lasting frizz control (up to 48 hours)
- You prefer a lightweight, milky texture
- You support eco-conscious brands focused on sustainability and diversity
Final Thoughts
Both OUAI Leave In Conditioner and Briogeo Farewell Frizz Rosarco Milk Leave-In Conditioning Spray are top-performing leave-in treatments, each with their own strengths. OUAI’s formula delivers styling versatility and heat protection with a signature scent, while Briogeo’s offering leans into plant-powered nourishment and proven frizz control.
Ultimately, your choice depends on your hair goals, scent preferences, ingredient priorities, and styling routine. Whether you want a salon-fresh finish or clean, frizz-free softness — there’s a perfect leave-in for everyone.