Free US Shipping on all orders over $79

SHOP BUNDLE & SAVE DR GUIDED CARE CLINICALS ABOUT GIVING BACK
Account
Feel Confident Thickening Scalp Serum — leave-in hair growth serum with niacinamide, peptides, amla and ROOTDefense™ for thinning hair
Feel Confident Thickening Scalp Serum — cruelty-free, vegan, paraben-free, sulfate-free certifications
Close-up of Feel Confident Thickening Scalp Serum texture — lightweight leave-in formula for stronger hair
Feel Confident Thickening Scalp Serum bottle surrounded by pumpkin seed oil, saw palmetto and turmeric ingredients
Feel Confident Thickening Scalp Serum 50mL — biotinoyl tripeptide-1, apigenin, oleanolic acid full ingredient list
×
Feel Confident Thickening Scalp Serum — leave-in hair growth serum with niacinamide, peptides, amla and ROOTDefense™ for thinning hair
Feel Confident Thickening Scalp Serum — cruelty-free, vegan, paraben-free, sulfate-free certifications
Close-up of Feel Confident Thickening Scalp Serum texture — lightweight leave-in formula for stronger hair
Feel Confident Thickening Scalp Serum bottle surrounded by pumpkin seed oil, saw palmetto and turmeric ingredients
Feel Confident Thickening Scalp Serum 50mL — biotinoyl tripeptide-1, apigenin, oleanolic acid full ingredient list
×

Hair Thickening Scalp Serum Leave-in

$46.00
Benefits Plus

Strengthen hair where it matters most, at the root, with our lightweight Thickening Scalp Serum. This non-greasy serum absorbs quickly without residue and revitalizes the scalp for healthier-looking hair.

Supports the appearance of fuller, denser-looking hair
Visibly hydrates and refreshes the scalp
Helps maintain a balanced scalp environment
Reduces the appearance of shedding while enhancing visible fullness at the roots
Feel Confident Thickening Scalp Serum — leave-in hair growth serum with niacinamide, peptides, amla and ROOTDefense™ for thinning hair
Hair Thickening Scalp Serum Leave-in
$46.00
What is it Plus

A lightweight, fast-absorbing serum designed to support scalp health and long-term follicle vitality for hair that appears stronger at the root with improved visible density over time. Ideal for daily use.

Ideal for Plus

Suitable for all hair types seeking improved scalp health and visible hair density.

How to use Plus
  • Shake well before each use. Apply serum directly to scalp, sectioning wet or dry hair and focusing on areas of concern. Gently massage with fingertips. Do not rinse. Use daily for optimal benefits. Style and boost with our Feel Confident® Thickening Foam.
Full ingredients list Plus

Water (aqua), propanediol, butylene glycol, pentylene glycol, glycerin, phenoxyethanol, acetamide mea, panthenol, caffeine, niacinamide, ppg-26-buteth-26, peg-40 hydrogenated castor oil, carbomer, ethylhexylglycerin, cucurbita pepo (pumpkin) seed oil, aminomethyl propanediol, phyllanthus emblica fruit extract, acetic acid, serenoa serrulata fruit* extract, apigenin, curcuma longa (turmeric) root extract, sodium benzoate, potassium sorbate, oleanolic acid, biotinoyl tripeptide-1, tocopherol, nicotiana benthamiana octapeptide-30 sh-oligopeptide-2, nicotiana benthamiana hexapeptide-40 sh-polypeptide-9, nicotiana benthamiana hexapeptide-40 sh-polypeptide-86

*saw palmetto

 Information Warning Plus
  • For external use only. 
  • Keep out of eyes. Rinse with water to remove. 
  • Keep out of reach of children.
  • Do not use on damaged or broken skin.
  • Stop use and ask a doctor if rash occurs.
  • Not to be used as a replacement for medical hair growth therapy (ex: finasteride and minoxidil).
As always
Leaping Bunny Certified — cruelty-free sulfate-free thickening shampoo by Feel Confident Leaping Bunny Certified
100% Vegan — Feel Confident Thickening Shampoo plant-based formula 100% vegan
Paraben-Free — Feel Confident Thickening Shampoo Paraben-free
Sulfate-Free — Feel Confident Thickening Shampoo gentle formula Sulfate-free

ROOTDefense™ Signature Blend

The latest innovation in hair growth is here. Introducing our proprietary ROOTDefense™, Signature Blend of four science-backed ingredients—saw palmetto, pumpkin seed oil, curcumin, and caffeine— proven to reduce hair loss, support hair growth, and boost scalp circulation.

Saw palmetto ingredient used in Feel Confident haircare for scalp support
Saw Palmetto

anti-oxidant-rich supports scalp circulation and strengthens hair follicles while reducing DHT—a potent hormone that leads to hair loss.

Pumpkin seed oil ingredient used in Feel Confident haircare formulas
Pumpkin Seed Oil

is a highly effective, nutrient-rich oil known for nourishing the scalp, thickening hair follicles, and blocking DHT.

Curcumin ingredient used in Feel Confident science-backed haircare products
Curcumin

is an anti-inflammatory ingredient long trusted for protecting hair follicles, reducing hair loss, and creating a healthier scalp environment.

Caffeine ingredient used in Feel Confident thickening haircare formulas
Caffeine

helps extend hair’s growth phase by fortifying hair follicles, stimulating the scalp, and combating hair loss.

CLINICAL TESTING

Results you can see, confidence you can feel

  • 91% of participants reported noticeably fuller, healthier-looking hair and less visible hair breakage. 
  • 88% of participants reported less visible fallout and enjoyed the soothing, gender-neutral scent. 
  • There was a statistically significant increase of hair thickness
  • There was a statistically significant reduction of the fallen hair number

**Based on a 12-week study of the Feel Confident Thickening Shampoo and Thickening Conditioner. Measurements included instrumental testing and consumer self-assessments.

Read more
Hair density at baseline (T0) before 12-week Feel Confident Thickening Shampoo & Conditioner clinical study
Before
Hair density at 12 weeks (T12) after Feel Confident clinical study — statistically significant increase in hair thickness
After

Pairs Well With

What People Say

Frequently Asked Questions

How do I use the scalp serum?

Shake well, then apply a few drops directly to your scalp, focusing on areas of concern. Gently massage with your fingertips and do not rinse.

Can I apply it throughout my hair or should I just apply to my scalp?

This product is designed to be applied directly to the scalp, as it hasn’t been specifically tested for full-hair application.

How often should I apply it?

We recommend using the scalp serum once daily for optimal results.

Should I apply it to dry or damp hair?

Serum can be applied to either dry or damp hair.

Can I use the foam with hair care products from other brands?

Our serum can be used with products from other brands. For optimal results, however, we recommend use with the rest of our haircare line.

How much serum should I use per application?

Just a few drops per area are enough.

I noticed the dropper isn't full. Is there something wrong with my bottle?

This is normal and intentional. The dropper is designed to hold a partial amount for precise, controlled application and to prevent waste.

Is the scalp serum suitable for curly or textured hair?

Yes, it works on all hair types and textures

Does the serum leave hair greasy or sticky?

No, our serum should asborb quickly without residue.

Can it be used with all hair types?

Yes, it is suitable for all hair types.

Can men and women use this serum?

Yes, it’s suitable for all genders.

Does it have a fragrance?

No, our serum is fragrance free.

Is this serum safe for sensitive scalps?

Yes, but if you have a skin condition, check with your healthcare provider first.

Can I use it if I have dandruff or a dry scalp?

It is generally well tolerared, but we recommend checking with your healthcare provider prior to using.

Can I combine the serum with dermarolling or PRP treatments?

Our serum is meant to be used on intact skin. We recommend waiting until the skin fully heals after dermarolling or PRP with needles prior to use.

Is it safe for color-treated hair?

Yes, it is safe for color-treated hair.
Feel Confident® — Doctor-Formulated Haircare for Thinning Hair by Dr. Gary Linkov