Pompeian vs Bertolli: Which Olive Oil Wins for Hair Care

Pompeian and Bertolli are the two most common grocery EVOOs. Both work well for hair.
| Factor | Pompeian Organic Smooth Extra Virgin Oli | Pompeian Gourmet Extra Virgin Olive Oil, |
|---|---|---|
| Price | Check price | Check price |
| Size | 24 oz | 16.9 oz |
| Type | Organic EVOO | EVOO |
| Taste profile | Smooth | Rich |
| Availability | Excellent | Excellent |
| For hair | Great | Great |
| Value | Good | Great |
Our Verdict
Both are excellent for hair treatments. Pompeian Organic offers certified organic quality. Bertolli costs less and is everywhere. For hair use, they perform the same. Pick whichever is on sale. Your hair cannot tell the difference.
More Top Picks in This Category
Not sold on either of these two? Here are more bestselling options worth considering.

Best for: Families sharing oil for cooking and hair care.
Colavita Extra Virgin Olive Oil, 34 oz
- 34 oz family size
- Italian EVOO
- Cold pressed
- Great value
Pros
- Excellent per-ounce value
- Trusted brand
- Lasts a long time
Cons
- Large bottle
- Not hair-specific
- Heavy for fine hair

Best for: Everyday DIY hair treatments on a budget.
Bertolli Extra Virgin Olive Oil, 16.9 oz
- 16.9 oz EVOO
- Mild flavor
- Classic brand
- Everyday use
Pros
- Mild and versatile
- Affordable
- Widely available
Cons
- Not organic
- Basic quality
- Needs double shampoo

Best for: Quality-focused buyers wanting fresh California oil.
California Olive Ranch Extra Virgin Olive Oil, 500 ml
- 500 ml California EVOO
- Fresh mild taste
- Sustainably grown
- Quality assured
Pros
- Fresh, high quality
- Great for hair masks
- Nice bottle
Cons
- Pricier than imports
- Smaller size
- Strong peppery notes
Fine hair needs the lightest touch with olive oil. Use half the amount you think necessary and focus on the ends only; fine strands show oil weight immediately, and an olive oil treatment that conditions thick hair can flatten fine hair for days.
Olive Oil and Buildup: The Clarifying Balance
Olive oil treatments and volumizing shampoos are natural opponents, and the buildup paradox applies directly. Olive oil coats the hair shaft, which smooths and conditions but also adds weight; volumizing shampoos work by removing weight. Used together without a plan, they cancel each other out: the oil flattens what the volumizer lifts. The balance is timing. Use the olive oil treatment as a pre-wash ritual, then wash it out thoroughly with the volumizing shampoo, which cleanses the weight away while the oil's conditioning benefits remain in the hair shaft.
The warning sign that the balance tipped: hair that feels coated, looks dull, and loses volume faster than it used to. That is oil buildup, and the fix is a clarifying wash, not more volumizing shampoo. Clarify once, then resume the oil-then-volumize rhythm. How often to clarify depends on the oil frequency: weekly oil treatments need monthly clarifying; monthly treatments may never need it. The OGX Biotin Collagen comparison shows how a volumizing system handles the cleanse side of this equation.
Layering Oil Treatments With Volumizing Products
The application order for combining oil treatments with volume products: oil first as a pre-wash treatment, washed out completely, then volumizing shampoo on the scalp, then volumizing conditioner or mousse on the lengths only. Never apply olive oil after a volumizing routine; the oil collapses the lift immediately. And never apply volumizing mousse or root spray over oiled roots; the products cannot grip through the oil layer.
Root sprays, mousses, and dry shampoos all work best on clean, product-free roots. If you oil the scalp regularly, wash day must fully remove the oil before any volumizing product goes on. The double-shampoo method helps here: first wash removes the oil, second wash lets the volumizing formula do its work. Skipping the second wash leaves oil residue that silently defeats every volumizing product layered after. For the full volume toolkit, our Moroccanoil Volume picks cover the product side.
What Olive Oil Can and Can't Do for Thin Hair
Honest expectations matter because "thin hair" has different causes and olive oil helps only some. If thinness comes from breakage, olive oil helps genuinely: it conditions, reduces friction, and prevents the snapping that keeps hair from reaching length. If thinness comes from genetics or pattern hair loss, olive oil does nothing for the follicle; it makes existing hair look healthier but grows no new hair. Postpartum shedding resolves on its own timeline regardless of oil.
The volumizing question is separate from the thickness question. Olive oil will never add volume; it is a conditioning oil, and conditioning oils smooth and weigh. For the appearance of fullness, volumizing products and techniques do the work while the oil handles the health underneath. Use both, each for its real job, and judge each by the right metric: the oil by breakage reduction over two months, the volumizer by lift on wash day. For refreshing volume between washes without oil interference, the Batiste volumizing dry shampoo comparison covers the second-day solution.
Want the Full Picture?
Small Habits That Improve Every Wash
The Colavita Extra Virgin Olive Oil, 34 oz and Bertolli Extra Virgin Olive Oil, 16.9 oz on this page both work best when the technique is right, so a few small adjustments to your wash routine can make a visible difference. Lukewarm water cleans just as well as hot water and is kinder to both color and the scalp, so save the coldest rinse for the very end if you want extra shine. Alternate your regular shampoo with a clarifying wash every week or two if you use a lot of styling product, because buildup blocks everything else from working.