Best Davines OI Products for Shine, Softness, and Control

The best Davines OI product for most people is the OI Oil 4.56 ounce bottle. It delivers the line's famous shine and softness with roucou oil. The scent is luxurious and the results are instant.
We compared best-selling OI products on shine, softness, frizz control, and value. The OI line centers on roucou oil from the Amazon for antioxidant-rich nourishment. Every pick below earned its place through verified buyer results and salon professional love.
Key Takeaways
- Our top pick balances performance, gentleness, and value for most people.
- Match the formula to your specific needs using the buying criteria below.
- Read real verified reviews before buying, since marketing claims often overpromise.
Quick Answer: Top 3 Picks
- Davines OI Oil Absolute Beautifying Potion, 4.56 fl oz Roucou oil shine.
- Davines OI All in One Milk, 4.56 fl oz Leave in detangling milk.
- Davines OI Oil Absolute Beautifying Potion, 1.69 fl oz Travel size OI Oil.
Full reviews and comparisons below.
On This Page
Our Top Picks

Best for: The iconic OI shine experience.
#1 Best OverallDavines OI Oil Absolute Beautifying Potion, 4.56 fl oz
- Roucou oil shine
- Iconic luxury oil
- Best value size
- Signature scent
Pros
- Unmatched shine
- Luxurious experience
- Lasts months
Cons
- Luxury price
- Strong scent
- Easy to overuse

Best for: Daily detangling and softness.
Runner-UpDavines OI All in One Milk, 4.56 fl oz
- Leave in detangling milk
- Lightweight
- Softens and shines
- All hair types
Pros
- Excellent detangling
- Weightless feel
- Great daily product
Cons
- Less shine than the oil
- Spray can mist unevenly
- Premium price

Best for: Trying OI Oil or traveling.
Best ValueDavines OI Oil Absolute Beautifying Potion, 1.69 fl oz
- Travel size OI Oil
- Same luxury formula
- Try size
- TSA friendly
Pros
- Try before full size
- Perfect for travel
- Lower commitment
Cons
- High per ounce cost
- Empties fast
- Tiny bottle

Best for: Sampling the milk or travel use.
Davines OI All in One Milk, 1.69 fl oz
- Travel milk size
- Same detangling power
- Try size
- Compact
Pros
- Good trial size
- Travel friendly
- Same quality
Cons
- Pricey per ounce
- Small for long hair
- Runs out quickly

Best for: The OI routine foundation cleanse.
Davines OI Shampoo, 9.47 fl oz
- Gentle OI shampoo
- Softening cleanse
- All hair types
- Rich lather
Pros
- Luxurious wash
- Hair feels soft
- Preps for OI styling
Cons
- Premium shampoo price
- Needs conditioner after
- Scent strong for some
What roucou oil does
Roucou oil comes from the annatto plant native to the Amazon. It is rich in beta-carotene and antioxidants. These protect hair from environmental damage. The oil gives the OI line its signature shine. It absorbs well without greasiness. The ingredient story is as appealing as the results.
OI Oil vs OI All in One Milk
OI Oil is a concentrated finishing oil for shine and frizz control. The All in One Milk is a lightweight leave-in for detangling and softness. Use the milk on damp hair before styling. Use the oil as a finisher on dry hair. They layer beautifully together. Fine hair may prefer just the milk.
Choosing your size
The 4.56 ounce OI Oil is the best value for regular users. The 1.69 ounce size suits travel and first-time triers. The milk also comes in both sizes. Large sizes cut the per-ounce cost notably. Start small if you are new to the line. The scent alone often converts samplers.
The OI Shampoo role
OI Shampoo cleanses gently while adding the line's softness. It suits all hair types as a daily shampoo. The rich lather feels luxurious. Pair it with OI Conditioner for the full routine. It preps hair perfectly for the oil and milk. The shampoo plus oil combo is the classic pairing.
Is the luxury price justified
Davines costs more than drugstore but less than some luxury rivals. The formulas are concentrated, so small amounts suffice. Salon professionals widely recommend the line. The scent and packaging feel genuinely premium. If shine is your top goal, the price pays off. Budget shoppers can start with one hero product.
Getting the most from OI products
Less is more; the formulas are potent. Layer milk then oil for maximum shine. Use the shampoo as your routine base. The scent pairs with everything. Store away from heat to protect the oils. One line, used consistently, outperforms mixing many brands.
How to Choose Within Your Budget
Budget options work well for everyday needs. Mid-range products often deliver better ingredients and performance. Premium options suit those wanting the best formulas. Price does not always equal quality: several of our top picks are affordable. Set your budget first, then choose the best performer within it.
Final Thoughts
Choosing the right oi oil product comes down to matching formulas to your specific needs and routine, not chasing viral trends. Start with our top pick for the safest bet, or use the buying criteria above to narrow down based on your needs and budget. Consistency matters more than perfection: even the best product needs regular use for great results.
How We Test and Rank Products
We start with search data to find the products real shoppers actually buy. Then we analyze thousands of verified Amazon reviews, looking for patterns in praise and complaints. We check ingredient lists against expert guidance and compare specifications side by side. Products earn their ranking through consistent real-world performance, not marketing budgets.
Frequently Asked Questions
It has a warm, powdery, slightly sweet scent. Many describe it as luxurious and spa-like. The fragrance lingers pleasantly for hours. Scent lovers cite it as a top reason to buy.
Yes, in tiny amounts. Use one drop on ends only. The All in One Milk may suit fine hair better. Avoid the roots to preserve volume. Start minimal and adjust.
Yes, they define and smooth curls well. The milk detangles curls gently. Oil seals in moisture and shine. Apply to damp curls before diffusing.
The OI Shampoo uses gentle sulfate-free cleansing agents. The line avoids harsh sulfates throughout. Color-treated hair stays safe. Check labels if you have specific sensitivities.
The 4.56 ounce bottle lasts four to six months of daily use. A little goes a very long way. The small size lasts six to eight weeks. Your hair length affects the pace.