BeautyLab
See products
#1 in Hair Care
Garnier Fructis Sleek & Shine Anti-Frizz Hair Serum
Hair Care

Garnier Fructis Sleek & Shine Anti-Frizz Hair Serum

4.6(44,848 reviews)

$6.97reference price

View on Amazon

Best for

Frizzy or unruly hair, especially in humid climates — it doesn't replace a deep repair treatment for very damaged hair.

  • Leave-in
  • Argan oil
  • Anti-frizz

What is it and what's it for?

It's a lightweight serum applied to wet or dry hair (not rinsed out) that seals the hair cuticle so it doesn't absorb humidity from the air — that's what causes frizz. With argan oil, it leaves hair shinier without feeling greasy when used in the right amount.

Real-world use cases

In your daily routine

You apply it to freshly washed hair, a few drops from mid-length to ends, before drying or styling — it controls frizz all day, even in humid weather.

Professional use

A hairstylist uses it as the final step of a blowout to seal the result so it doesn't get undone by humidity during the day.

How to avoid buying the wrong one

  • Use a small amount — 1 or 2 drops is enough for medium hair; too much weighs it down instead of adding shine.
  • It's leave-in (not rinsed out) — it's applied as a last step, it doesn't replace your in-shower conditioner.
  • It's not a deep repair treatment — if your hair is very damaged (chemically processed, brittle), you need to add a separate mask; this only controls surface frizz.

The investment takeaway

At under $7 with nearly 45,000 reviews and 20,000+ bought in the past month, it's one of the cheapest, most validated ways to control everyday frizz — before investing in a pricier professional treatment, this solves most of the problem for most hair types.

Garnier Fructis Sleek & Shine Anti-Frizz Hair Serum

$6.97reference price

See current price on Amazon

Related guides

Frequently asked questions

What is the Garnier Fructis Sleek & Shine Anti-Frizz Hair Serum for?

It's a lightweight serum applied to wet or dry hair (not rinsed out) that seals the hair cuticle so it doesn't absorb humidity from the air — that's what causes frizz. With argan oil, it leaves hair shinier without feeling greasy when used in the right amount.

Who is it a good fit for?

Frizzy or unruly hair, especially in humid climates — it doesn't replace a deep repair treatment for very damaged hair.

What should I know before buying it?

A leave-in serum (not rinsed out) with argan oil, designed to control frizz for up to 72 hours according to the manufacturer — applied to wet or dry hair, in a minimal amount because too much weighs hair down. Amazon's Choice with over 44,800 reviews and '20K+ bought in the past month'. It's not a deep repair treatment (like a mask), it's for everyday use to seal the cuticle and control frizz.

Is it worth it?

At under $7 with nearly 45,000 reviews and 20,000+ bought in the past month, it's one of the cheapest, most validated ways to control everyday frizz — before investing in a pricier professional treatment, this solves most of the problem for most hair types.

How much does it cost?

The reference price is $6.97 on Amazon. It can change, so check the current price before buying.

More products in this category

#2Olaplex N°.7 Bonding Hair Oil — 450°F Heat Protection

Olaplex N°.7 Bonding Hair Oil — 450°F Heat Protection

450°F heat protectionBondingShine
4.7 · 61,415 reviews

Unlike the anti-frizz serum in this ranking (which seals the cuticle from outside), this is a 'bonding' oil — it contains the same bond-rebuilding technology that made Olaplex famous in salons, in a lightweight oil format. Protects against heat up to 450°F/232°C, used on wet hair (before flat-ironing/drying) or dry (as a finishing touch). Amazon's Choice, 61,000+ reviews, '20K+ bought in the past month'.

$32.00reference price

Check it out on AmazonSee full buying guide
#3Batiste Original Dry Shampoo 200ml

Batiste Original Dry Shampoo 200ml

Dry shampooNo rinseAbsorbs oil
4.5 · 15,669 reviews

Unlike the treatments in this ranking (serum, oil), this is a powder shampoo sprayed on dry hair to absorb oil from the scalp without washing — it doesn't replace an actual wash, it's for stretching a style 1-2 days between washes. '6K+ bought in the past month', 15,600+ reviews. Can leave visible white residue on dark hair if applied too close to the roots or in excess.

$6.95reference price

Check availability on AmazonSee full buying guide
#4CeraVe 2-in-1 Dandruff Shampoo & Conditioner

CeraVe 2-in-1 Dandruff Shampoo & Conditioner

1% Pyrithione zinc2-in-1Anti-dandruff
4.5 · 3,689 reviews

Unlike the styling products in this ranking (serum, oil), this is a 2-in-1 shampoo (cleans and conditions in one step) formulated specifically for dandruff, with 1% pyrithione zinc — the same active ingredient used by recognized anti-dandruff brands. Sulfate-free, with CeraVe's signature ceramides so it doesn't dry out the scalp while treating dandruff. '9K+ bought in the past month'.

$9.97reference price

See current price on AmazonSee full buying guide
See the full ranking of Hair Care →