Smoothing Hair Serum
Smoothing Hair Serum
Smoothing Hair Serum
Smoothing Hair Serum
Smoothing Hair Serum
Smoothing Hair Serum
Smoothing Hair Serum
Smoothing Hair Serum
Smoothing Hair Serum
Smoothing Hair Serum

The $34 Serum That Replaced $300 Keratin.

Rated 4.8 (12,400+)

  • Frizz-proof in rain, humidity & heat
  • Tested on fine, 3B curls & color-treated
  • 90-day Smooth-or-Free guarantee
Selling Fast
Our last restock sold out in 9 days. We can't guarantee current bundle pricing on the next batch.
AS SEEN ON TIKTOK
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AS SEEN ON INSTAGRAM
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AS SEEN ON YOUTUBE
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AS SEEN ON TIKTOK
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AS SEEN ON INSTAGRAM
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AS SEEN ON YOUTUBE
+
AS SEEN ON TIKTOK
+
AS SEEN ON INSTAGRAM
+
AS SEEN ON YOUTUBE
+
AS SEEN ON TIKTOK
+
AS SEEN ON INSTAGRAM
+
AS SEEN ON YOUTUBE
+
AS SEEN ON TIKTOK
+
AS SEEN ON INSTAGRAM
+
AS SEEN ON YOUTUBE
+
AS SEEN ON TIKTOK
+
AS SEEN ON INSTAGRAM
+
AS SEEN ON YOUTUBE
+

Real results

Frizzy to glass-smooth — in weeks.

Real customers. Casual phone photos taken a few weeks apart. No salon, no filter.

Jess M. before and after BEFORE AFTER
Jess M. ★★★★★

Frizz + humidity-prone

✓ Smoother in 2 weeks

Daniela P. before and after BEFORE AFTER
Daniela P. ★★★★★

Dry, undefined waves

✓ Defined in 3 weeks

Aaliyah J. before and after BEFORE AFTER
Aaliyah J. ★★★★★

Frizzy natural curls

✓ Moisturized in 4 weeks

Individual results vary with hair type and consistency of use.

Inside the formula

Smoothing care for the hair surface.

Lightweight silicones and conditioning ingredients help hair feel smoother and look shinier. Start with one or two pumps through towel-dry lengths, then blow-dry or air-dry.

Hair surfaceConditioning care
1

Care for the hair surface

Bleach, colour and heat can strip away the hair's 18-MEA lipid layer. The formula includes quaternized 18-MEA to help replace that lost layer.

2

Conditioning ingredients

Amodimethicone and quaternized 18-MEA help condition the hair surface. Squalane and meadowfoam seed oil add conditioning care.

3

One serum, two uses

Work one or two pumps through towel-dry lengths, then blow-dry or air-dry. Iron if you want. Later, use one pump on dry ends for shine.

AmodimethiconeQuaternized 18-MEASqualaneMeadowfoam Seed Oil

Smooth, shiny hair without a heavy, greasy feel.

Watch It Happen

Real customers, unedited

Brooke & MiaVerified Buyer

Transformed her hair with no straightener — and zero tears or fighting.

Megan & EllaVerified Buyer

One pump after the bath and it melts the tangles. Salon shine, no battle.

Sarah & LilyVerified Buyer

Brushing used to mean tears. Now she actually asks me to brush her hair.

Still on the fence?

Quick answers before you go glass-smooth.

*Based on laboratory testing, consumer-use studies, user surveys, verified reviews and internal sales data. Individual results vary.

What hair types does this work on? +

All of them — curly, wavy, straight, fine, color-treated. It works with your texture.

How fast will I see results? +

First use. Smoother, shinier, frizz-free the same day.

Will it make my hair greasy or heavy? +

No. Weightless. One pump feels like nothing.

Isn't this just silicones? +

Yes. It contains silicones, including dimethicone, dimethiconol and amodimethicone, alongside squalane and meadowfoam seed oil. The formula is lightweight and non-greasy, and washes out clean. It contains no cyclic silicones D4 or D5.

How fast is shipping? +

Orders ship within 24 hours with free tracked shipping. Most arrive in 3–5 days.

What is your return policy? +

90-day money-back guarantee. Not glass-smooth? Full refund — no questions asked.

12,400+ verified reviews. The receipts.

4.8 out of 5
Based on 12400 reviews
★★★★★ 10788
★★★★★ 992
★★★★★ 310
★★★★★ 155
★★★★★ 155
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