Instrumentation testing showed results starting with the very first application. From your first use, Strand Serum helps reduce breakage and split ends while delivering up to 72 hours of frizz reduction for smoother, more manageable hair.

In a consumer perception study, after 1 week, women with chemically treated, dyed/color-treated, or chemically straightened hair reported that their hair felt silkier and smoother.

After 2 weeks (5 uses on both damp and dry hair), you'll see even greater improvements, including an 83% reduction in breakage. Hair feels softer, looks shinier and healthier, with an overall improvement in hair quality.

Strand Serum is formulated to care for the hair fiber, strengthening and helping protect your strands from breakage at the mid-length to ends so that it can grow longer.

Hair Serum targets thinning hair directly at the scalp by replenishing nutrients and reducing visible hair fall and shedding caused by breakage for visibly fuller, thicker hair.

Apply Strand Serum before heat styling to help protect your hair from heat damage. Strand Serum provides heat protection up to 450°F (232°C) from curling irons, flat irons, and other heat-styling tools.

You can also reapply a few drops after styling for an extra boost of strength and protection.

Yes. Strand Serum is formulated with two phases: a water phase and an oil phase. The water phase helps deliver ingredients deep into the hair cortex and strengthen the hair fiber while the oil phase helps replenish the hair's natural lipid barrier and smooth the cuticle.

Because these phases have different properties, they naturally separate over time. Simply shake well before each use to combine the two phases and ensure you receive the full benefits of the formula with every application.

No. Strand Serum does not help grow hair. Instead, it helps protect thinning strands by strengthening the hair fiber and reducing breakage for hair that can grow longer.

For additional support, pair with Nutrafol Hair Growth Nutraceuticals, clinically tested to improve hair growth from within by addressing key root causes of hair thinning. To target areas of concern directly at the scalp, use Nutrafol Hair Serum to visibly reduce hair fall and shedding due to breakage for visibly thicker, fuller hair.

Our Hair Growth Nutraceuticals are clinically tested and physician-formulated to the bio-specific needs of men and women through different life stages and lifestyles. Key root causes of thinning hair affect men and women differently and can change over time—so we created multiple formulas to give your hair exactly what it needs when it needs it most.

Women’s formula is formulated for women 18-44 with key root causes of thinning focusing on stress and lifestyle habits; plus, it is optimized to support a plant-based diet nutrition and absorption of nutrients in the body that affect hair health.

Women’s Balance is physician-formulated for women 45+ to support key root causes of hair thinning for women, such as stress, with optimized support for hormonal changes, such as menopause, that affect hair health.

Postpartum is OBGYN-developed to address key root causes of hair thinning and shedding for women within the first year of giving birth and through the time they are breastfeeding when physical and emotional stress, hormonal changes and nutritional support play a heightened role in hair health.

Men’s formula is designed for men 18-49 and addresses 6 key root causes of hair thinning like hormones, stress, and lifestyle. While this formula may have benefits at any age, it is tested on a younger population and does not have clinical results on a mature audience.

Men 50+ is for men 50 and older experiencing compromised hair health. This multi-targeted formula addresses the unique biological needs of mature men by targeting key root causes of hair thinning that impact you the most, like cellular aging and collagen degradation, to support hair health and strength from within.

Nutrafol was formulated to promote hair growth for all types of hair. While the characteristics of hair strands may vary by race, the underlying root causes that affect hair growth and quality can affect all people.

To date, Nutrafol Hair Growth Nutraceuticals have clinical studies inclusive of all skin and hair types.

View our clinical studies here: https://nutrafol.com/clinical/

Nutrafol Women:

In our clinical studies, Nutrafol Women users showed results in 3-6 months.

1-3 Months: Vitamins, minerals, and botanicals are replenishing and nourishing the body from within, strengthening the hair follicle and lowering stress levels to promote a healthy hair growth cycle and reduced hair shedding.
4-6 Months: Addressing key root causes of thinning from within supports a lengthened hair growth cycle and we continue to see less shedding plus thicker, stronger hair that is growing faster.
6+ Months: Continue to manage key root causes of hair thinning to maintain your hair growth results.

Nutrafol Women’s Balance:

In our clinical studies, Nutrafol Women’s Balance users showed results in 3-6 months.

1-3 Months: Vitamins, minerals, and botanicals are replenishing and nourishing the body from within, strengthening the hair follicle and lowering stress levels to promote a healthy hair growth cycle and reduced hair shedding.
4-6 Months: Addressing key root causes of thinning from within supports a lengthened hair growth cycle and we begin to see visibly improved hair growth, thickness, volume and feelings of a better mood.
6+ Months: As the hair growth cycle lengthens and you continue to infuse your body with hair-building nutrients, you’ll start to see progressive improvement of growth, and healthier hair that is growing faster with less breakage and improved texture.

Nutrafol Postpartum:

In our clinical studies, Nutrafol Postpartum users showed results in 3-6 months.

1-3 Months: Our formula supports your postpartum recovery by addressing key root causes of hair thinning—like hormonal changes, nutrient gaps, and the physical and emotional stress of life after giving birth and we begin to see less shedding and stronger feeling hair.
4-6 Months: At this stage, we are replenishing nutrients and managing stress to continue to reduce hair shedding and supporting the phases of the hair growth cycle, where you can begin to see baby hairs growing out and improvements in your hairline.
6+ Months: As the hair growth cycle lengthens and extra hair building nutrients are infused, we see visibly thicker volume, healthier hair that is growing faster.

Nutrafol Men:

In our clinical studies, Nutrafol Men users showed results in 3-6 months.

1-3 Months: Vitamins, minerals and natural, standardized ingredients are replenishing and supporting the body from within, strengthening the internal hair follicle and lowering stress hormone levels to promote a healthy hair growth cycle and reduced hair shedding.
4-6 Months: Addressing key root causes of thinning from within supports a lengthened hair growth cycle and we continue to see less shedding, fuller scalp coverage and improved hair quality.
6+ Months: Continue to manage key root causes of hair thinning to maintain your hair growth results.

Nutrafol Men 50+:

In our clinical studies, Nutrafol Men 50+ users showed results in 3-6 months.

1-3 Months: Vitamins, minerals, probiotics and natural ingredients are lowering stress hormone levels, addressing cellular health by fighting free radicals, and nourishing the gut microbiome to promote a healthy hair growth cycle and reduced hair shedding.
4-6 Months: Addressing key root causes of thinning from within supports a lengthened hair growth cycle and we continue to see less shedding and improved hair quality.
7-9+ Months: Continue to manage key root causes of hair thinning, with progressive hair growth results at 9 months.