Best Ingredients

Zinc

The Hair Mineral — One of the Most Important Nutrients for Healthy Hair Growth

Zinc is an essential trace mineral involved in keratin synthesis, follicle cell division, scalp health, and one of the most well-documented reversible nutritional causes of hair loss.

300+ Enzymatic Reactions
5 Published Studies
66.7% Positive Response
Zinc
Zn
Zinc
Essential Trace Mineral
★ Supports Keratin
★ Follicle Cell Division
★ Scalp Health Support
Shop Growth Complex View The Research
Zinc
Zn
Zinc
Essential Trace Mineral
★ Supports Keratin
★ Follicle Cell Division
★ Scalp Health Support

The Ingredient

What Is Zinc?

Zinc is one of the few nutrients where deficiency and hair loss are consistently linked across multiple clinical studies.

Zinc is an essential trace mineral involved in more than 300 enzymatic reactions throughout the body. For hair specifically, zinc plays a critical role in keratin synthesis, follicle metabolism, and healthy scalp function.

Hair follicles are among the fastest dividing structures in the body during the anagen growth phase. Zinc supports the RNA and DNA metabolism required for this rapid cellular turnover, making it essential for normal follicle activity and hair shaft formation.

The strongest scientific rationale for zinc in hair supplementation is the consistent association between zinc deficiency and multiple forms of hair loss — including alopecia areata, telogen effluvium, and male and female pattern hair loss.

Clinical studies repeatedly demonstrate that individuals with hair loss often have significantly lower serum zinc levels than healthy controls, and several studies show that correcting zinc deficiency can directly reverse shedding and support regrowth.

Zinc also contributes to sebaceous gland regulation, scalp oil balance, anti-inflammatory signaling, and overall follicle environment support.

Key Benefits

Supports Keratin Synthesis Required for protein synthesis and DNA replication in rapidly dividing follicle cells.

Linked to Hair Loss Prevention Low serum zinc is consistently associated with multiple forms of hair loss.

Clinically Proven Deficiency Reversal Studies show zinc supplementation can directly reverse deficiency-related hair shedding.

Supports Scalp Oil Regulation Helps regulate sebaceous gland function and overall scalp health.

Anti-Inflammatory Support May help reduce inflammatory scalp conditions that interfere with healthy follicle function.

Clinical Evidence

The Science: Clinical
Studies & Research

Multiple studies demonstrate the strong relationship between zinc deficiency, hair shedding, follicle health, and hair regrowth outcomes.

STUDY 1

Hair RegrowthDeficiency ReversalClinical Evidence

Zinc Supplementation Reversed Significant Hair Loss in 100% of Post-Surgical Patients

Neve HJ, et al. · Obesity Surgery · 1996

All patients showed arrest of hair loss and regrowth following zinc supplementation.

Post-surgical patients experiencing diffuse shedding responded positively to zinc sulfate supplementation, with complete reversal of shedding and visible regrowth observed.

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STUDY 2

Serum ZincHair LossCross-Diagnosis

Serum Zinc Significantly Lower Across All Four Major Types of Hair Loss

Kil MS, et al. · Annals of Dermatology · 2013

Hair loss patients showed significantly lower serum zinc levels compared to healthy controls.

A large study across multiple hair loss diagnoses found consistently reduced serum zinc levels in affected individuals, reinforcing zinc's fundamental role in follicle biology.

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STUDY 3

Alopecia AreataSupplementationHair Regrowth

Zinc Supplementation Produces Positive Hair Regrowth in Alopecia Areata Patients

Park H, et al. · Annals of Dermatology · 2009

66.7% of patients showed positive hair regrowth after zinc supplementation.

Patients with alopecia areata and low baseline zinc levels experienced improved serum zinc status and visible regrowth after oral zinc supplementation.

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STUDY 4

Hair RecoveryFollicle CyclingExperimental

High-Dose Zinc Accelerates Hair Regrowth After Chemotherapy-Induced Alopecia

Plonka PM, et al. · Experimental Dermatology · 2005

Zinc significantly accelerated regrowth of pigmented hair shafts.

Experimental research demonstrated zinc's ability to support follicle recovery and hair cycle regulation following induced hair loss conditions.

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STUDY 5

Nail HealthConnective TissueClinical Case

Zinc Supplementation Improved Yellow Nail Syndrome

Arroyo JF, et al. · Clinical and Experimental Dermatology · 1993

Oral zinc supplementation resulted in complete resolution of yellow nails and related symptoms.

This case study demonstrated zinc's broader importance in keratin production, connective tissue repair, and nail health.

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Shop

HAIRLOVE Products Containing
Zinc

Zinc is included throughout the HAIRLOVE system to support keratin production, follicle metabolism, and scalp health.

Front view of Growth Complex pouch, pink resealable bag with HAIRLOVE logo and 60 capsules
GrowthKeratin

Growth Complex

Contains zinc alongside 7 targeted nutrients addressing key nutritional contributors to hair loss.

Front view of Inside-Out Bundle showing Growth Complex pouch and Scalp Serum bottle on white background
GrowthBundle

Inside-Out Bundle

Growth Complex + Scalp Serum combining internal zinc support with topical scalp treatment.

Front view of Complete Hair Revival System showcasing Growth Complex pouch, Scalp Serum, and 0.5 mm Derma Roller
GrowthSystem

Complete Hair Revival System

The full HAIRLOVE stack for comprehensive hair wellness support.

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Editor's Note

Zinc has one of the strongest evidence bases of any mineral used in hair supplementation. The consistent relationship between low serum zinc and hair shedding — combined with reversal studies — makes it a justified inclusion in any serious hair wellness formula.

All 8 Growth Complex Ingredients

Cynatine® HNS BioPerine® Biotin Vitamin B5 Vitamin C Vitamin E Zinc Selenium