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OTACI Lab No:4 Hair Strengthening Shampoo

OTACI Lab No:4 Hair Strengthening Shampoo

Regular price $13.99 USD
Regular price $21.80 USD Sale price $13.99 USD
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OTACI: Doctors in ancient tribes of Asia who heal with plants

In 1955, Pharmacist Niyazi Kurtsan, an inspiring herbalist who was fascinated by the miracles of nature and ancient healing methods, combined the modern techniques he used in pharmaceuticals with traditional remedies to create OTACI.

Today, we are still inspired by mother nature every day and merge what we learn from her with science and technology to preserve the health and beauty of humankind.

The sulfate-free formula cleanses your hair gently, 100% essential oils strengthen the thinning hair, prevent breakage and give your hair a healthy look.

Biotin (Vitamin B7), the beauty vitamin, nourishes the scalp and hair, supporting hair growth and fortifying the hair. Horse chestnut and zinc regulate excessive sebum. Caffeine, a powerful antioxidant, helps hair growth and rejuvenates the hair. Eucalyptus gives a fresh and cooling scent.


Key Facts

✔ Eucalyptus

✔ Horse Chestnut

✔ Caffeine

✔ Vitamin B5

✔ Biotin

✔ Zinc






Animal Products

Synthetic Essence/Perfume


How to Apply

Apply wet hair, gently massaging. Wait for a while and rinse well. For efficient result, regular use is recommended.


Aqua (Water), Disodium Cocoyl Glutamate*, Coco-Glucoside,
Cocamidopropyl Betaine, PEG/PPG- 120/10 Trimethylolpropane Trioleate, Laureth-2, Sodium Cocoyl Glutamate*, Eucalyptus globulus (Eucalyptus) Leaf Oil, Citric Acid, Panthenol (Provitamin B5), PPG-3 Caprylyl Ether, Polyquaternium-10, Niacinamide, Faex (Yeast) Extract, Aesculus hippocastanum (Horse Chestnut) Seed Extract, Potassium Sorbate, Sodium Benzoate, Ammonium Glycyrrhizate, Zinc Gluconate, Propylene Glycol, Caffeine, Biotin.

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A young entrepreneur and a revolutionary scientist, Ph. Niyazi Kurtsan, planted the seeds of 'Kurtsan'​ at a compact pharmacy in Istanbul, 65 years ago with the vision of healing people through the power of nature. At a time when 'herbal medicines'​ and 'natural living'​ were just a dream to many, Ph. Niyazi Kurtsan developed pharmaceuticals, remedies, and cosmetics from the miraculous plants of Anatolia, Turkey.

Since 1955, Otaci has been an accomplished brand in the natural skincare, cosmetics, and pharmaceutical industries. We have significantly contributed to these industries through vigorous and innovative Research and Development with the core objective of utilizing nature to make lives better for humankind. Otaci aims to protect human health through the healing power of nature. Our vision is to be a global brand that heals people with high-quality herbal products inspired by nature.

Otaci is the reliable, premium, local, and the most honest natural and herbal alternative to the daily ritual of all personal care & cosmetics.

Nature that inspires every moment of our lives, healer for our health, and gives peace...

Inspired by the power of nature and plants, the OTACI LAB New Generation Hair Therapy series revitalizes and strengthens your hair, adds shine, and helps it grow healthily, with its ingredients including extracts of medicinal plants, strengthening Omega 3 and Omega 6 fatty acids, vitamins such as B5 and Biotin.

OTACI LAB No:4 Hair Strengthening Shampoo

Your hair is cleansed most naturally with OTACI LAB No: 4, which offers strength to hair prone to shedding, prevents breakage and makes your hair seem healthy thanks to the horse chestnut it contains. Eucalyptus's calm and soothing aroma surrounds your hair, while Biotin, which feeds the scalp and hair, strengthens it. OTACI LAB No: 4 has a formula that retards hydration with 100% natural oils, horse, and zinc.