MONAT IR Clinical™ Hair Thinning Defense Scalp Serum – Nourishes Scalp, Reduces Breakage, Boosts Hair Density, and Supports Thicker, Fuller-Looking Hair with a Lightweight, Non-Greasy Formula

Price: $94.00 - $84.60
(as of Apr 22, 2026 21:58:28 UTC – Details)

Product description

Comparison Table

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Customer Reviews

4.2 out of 5 stars 152

4.4 out of 5 stars 217

4.4 out of 5 stars 108

4.3 out of 5 stars 37

3.4 out of 5 stars 11

4.2 out of 5 stars 46

4.7 out of 5 stars 499

Price

$84.60$84.60

$53.10$53.10

$46.20$46.20

$31.19$31.19

$48.59$48.59

$63.89$63.89

$107.10$107.10

Texture

Lightweight serum

Gel-Cream

Cream

Gel-Cream

Lightweight serum

Creamysugar scrub

Oil

Function

Leave-in scalp treatment

—

Rinse-Off pre-shampoo scalp

Pre-shampoo exfoliating scalp

Leave-in scalp treatment

Pre-shampoo exfoliating

Rinse-off treatment, Leave

Usage

Daily, on dry or damp scalp

—

Wash-day (1-2×/week)

Wash day (1×/week)

Daily, on damp or dry scalp

Wash day (1×/week)

Daily, weekly

Benefit

Helps defend against thinning

—

Gently exfoliates, soothes

Deep-cleanses scalp, lifts

Calms, balances and soothes

Deep-cleanses scalp, lifts

Instant weightless shine

Hair type

Thinning or fine hair

Thinning or fine hair

Thinning or fine hair

All hair types

All hair types

Oily or congested scalps

All hair types

Hair texture

All textures

All textures

All textures

All textures

All textures

All textures

Medium to thick

Key ingredient

Caffeine, Melatonin, D-Biotin

Rosemary, Mint, Pea Exract

AHA’s, Hyaluronic Acid

Pink Clay, Superfruit AHAs

AHA’s, Hyaluronic Acid

Pink Clay, Superfruit AHAs

Abyssinian Oil, Meadowfoam

Vegan

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Cruelty-free

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Product Dimensions ‏ : ‎ 4.25 x 1.75 x 1.75 inches; 3.84 ounces
Item model number ‏ : ‎ MONAT
UPC ‏ : ‎ 850058493251
Manufacturer ‏ : ‎ MONAT
ASIN ‏ : ‎ B0CMR2QGWC
Best Sellers Rank: #25,008 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #190 in Hair Regrowth Treatments
Customer Reviews: 4.2 4.2 out of 5 stars (152) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

[AWAKEN YOUR HAIR FOLLICLES] –The Monat IR Clinical Hair Thinning Defense Scalp Serum is specifically designed to address the root causes of hair thinning, targeting the scalp directly to nourish hair follicles, stimulate growth, and fortify existing hair.
[INNOVATIVE FORMULA] – Featuring a blend of powerful natural ingredients including melatonin, caffeine, and bioactive D-biotin, this hair thickening serum works to stimulate the follicles and strengthen hair from root to tip.
[NATURAL AND SAFE] – MONAT IR Clinical Hair Thinning Defense Scalp Serum is naturally-based and features hair thickening technology that helps hair grow stronger and appear fuller.
[VISIBLE RESULTS] – This lightweight, non-greasy serum immediately reduces breakage and reduces hair fall by 92%.
[AWARD-WINNING, VEGAN FORMULAS] – MONAT is a leader in Premium Beauty, offering 100% vegan and cruelty-free products. Free from sulfates and parabens, MONAT’s clean beauty formulas have earned multiple accolades, making them a trusted choice for healthy, ethical haircare.