Strong and healthy hair

The essential role of biotin and zinc in nutricosmetics.

Hair health goes far beyond aesthetics. Strong, shiny, and resilient hair is often a reflection of a good internal balance, where nutrition plays a key role. In this context, hair nutricosmetics are gaining prominence as an effective approach to caring for hair from the inside out.

Among the micronutrients most relevant to hair health, biotin and zinc stand out as two essential active ingredients, widely used in dietary supplements intended for hair care.

Hair health as a reflection of internal balance.

Hair is a living tissue, highly sensitive to metabolic, hormonal, and nutritional changes. Situations such as prolonged stress , restrictive diets , micronutrient deficiencies, or hormonal changes can quickly manifest in the scalp and hair fiber.

Signs such as excessive hair loss , fragility , loss of shine , or slow growth are often the first indications of an imbalance. Nutricosmetics, therefore, emerges as a nutritional support that aims to provide the necessary nutrients to maintain the hair growth cycle under normal conditions.

Biotin: an essential vitamin for hair structure.

Biotin , also known as vitamin B7 or vitamin H , belongs to the B complex of vitamins. It is a water-soluble vitamin with a fundamental role in the metabolism of macronutrients (carbohydrates, lipids, and proteins).

The role of biotin in hair health.

Biotin is directly involved in the synthesis of keratin , the basic structural protein of hair. When there is a deficiency, even a slight one, the hair follicle can become less efficient, leading to thinner, more fragile hair that is more prone to breakage.

Key benefits of biotin for hair

• Strengthens hair fibers , increasing resistance and elasticity.

• Contribution to normal hair growth

• Improved overall appearance , with more shine and thickness.

• Support in situations of diffuse shedding , associated with stress or low-calorie diets.

Although biotin is present in foods such as eggs, nuts, legumes, and whole grains, many people do not reach optimal levels due to factors such as poor intestinal absorption, excessive alcohol consumption, prolonged use of antibiotics, or an unbalanced diet.

Zinc: a key mineral for the hair cycle.

Zinc is an essential trace element involved in over 300 enzymatic reactions in the body. Its role in hair health is as relevant as that of biotin, although it is less recognized by the end consumer.

The role of zinc in the scalp.

At the scalp level, zinc contributes to:

• The regulation of sebaceous gland activity

• The balance of the local immune system

• Cell division in the hair follicle

A zinc deficiency can be associated with weakened hair, premature hair loss, and scalp changes such as flaking or excess oil.

Benefits of zinc for hair

• Maintaining normal hair growth.

• Antioxidant action, protecting against oxidative stress.

• Sebum regulation, especially in oily hair.

• Support for the scalp's immune system.

Biotin + zinc synergy: a strategic combination

Combining biotin and zinc in a single dietary supplement is a widely used strategy in hair nutricosmetics. These two nutrients complement each other, enhancing results when used together.

• Biotin acts primarily on hair structure and keratin synthesis.

• Zinc supports metabolic, immunological, and sebum regulation processes.

This synergy is especially interesting in situations such as:

• Seasonal hair loss (spring and autumn)

• Prolonged stress and chronic fatigue

• Poorly planned restrictive or vegetarian diets

• Hormonal changes (postpartum, menopause, andropause)

Populations most vulnerable to capillary imbalances

In daily practice at pharmacies and natural product stores, it is possible to identify some profiles with a higher probability of presenting hair changes related to nutritional deficiencies:

• Women between 35 and 60 years old , especially those in the peri-menopausal phase.

• Men aged 30–35 years and older , experiencing progressive hair loss.

• People with demanding lifestyles , high stress levels, or sleep deprivation.

• Vegetarian or vegan diets without proper nutritional planning.

• People with digestive disorders that impair the absorption of micronutrients.

The importance of consistency and an integrated approach.

In nutricosmetics, results depend on the regularity of supplementation . The hair cycle is slow, so effects tend to be visible after 8 to 12 weeks of continuous use .

To maximize results, it is recommended to:

• A balanced diet, rich in quality proteins.

• Stress reduction and improved sleep quality.

• Avoid harsh cosmetics and excessive use of heat.

• Integrating the supplement into a comprehensive hair care routine

Hair care from the inside out.

Hair care has evolved into a more profound approach, where internal well-being takes center stage. Biotin and zinc represent a solid and scientifically supported foundation for modern nutricosmetics, especially when integrated into personalized and consistent advice.

When properly guided, nutritional supplementation contributes to visibly stronger, healthier, and more vibrant hair, reflecting balance and care from the inside out.