What do reviews say about heat?

TODAY's review says it guards against heat up to 450°F, so it can go on before styling.

What do reviews say about how much?

Both TODAY write-ups stress that a drop or two is enough; more can weigh hair down.

What do reviews say about curly?

Ulta raters who tagged hair type were mostly wavy (248), then straight (154) and very curly (64).

Beauty & Skincare · Haircare · 1,087 reviews · 3 sources

Olaplex No.7 Bonding Oil

Best for: frizz-prone, heat-styled hairMid-range

A potent shine and frizz oil that works in tiny doses. The 1 oz bottle is pricey per ounce.

Tracking since Sep 2026

Buy if

You fight frizz and flyaways
You want shine without grease

Skip if

You want a big bottle for the money
You dislike leave-in oils

How it scores

Efficacy9.0

Texture9.0

Value6.0

Price

$32 (1 oz, Ulta)

You pay for: Costly per ounce, lasts a while

Reviewed Sep 2026 · 0 new reviews since · score unchanged

What people love

Most mentioned by reviewers

ShineGlossy, healthy-looking finish

Frizz controlTames flyaways and ends

Not greasyLight finish from a few drops

What people complain about

Most mentioned by reviewers

Easy to overuseA drop or two is enough

Small bottleOnly 1 oz in the base size

Some low ratingsAbout 1 in 10 give 1-2 stars

Reviewers disagree on

Shine and smoothness stand outPrice per ounce is steep

Alternatives

Same price · $32 (1 oz, Ulta)

Ask about this product

Sources

Ulta (1,087 ratings)
TODAY (best hair oils)
TODAY (No.7 review)
Reviewed Sep 2026

AI summary of public reviews, not a recommendation.