ThanhDo University




Feel Natural, Be Natural

About us:

DOU3LE2N: A Fusion of Thanh Do University Research and Expert Production for Natural Wellness

Thanh Do University’s research team, aligned with the natural trend in lifestyle and healthcare, partners with Thanh Hue Perfect Health Co., Ltd., utilizing their professional, large-scale production methods. Together, we deliver safe, effective, and transparently sourced health products, born from the research theme: “Enhancing Production Capacity and Facilitating the Commercialization of Nature-Derived Health Products.”

DOU3LE2N: Transparency in Sourcing and Natural Ingredients for Premium Health Products and Services


  • Advancing Sustainable Value for Vietnamese Brand Products
  • Facilitating Product Commercialization with Local Partners: Pharmacies, Drugstores, and Supermarket Chains in Vietnam.
  • Forging Collaborations with Enterprises to Expand Product Distribution in the Global Market.
  • Leveraging Research Outcomes for Educational Integration and University Partnerships.


*Aloe Vera and Peach Grapefruit Shampoo

Ingredients: Aloe Vera Extract, Peach Grapefruit Essential Oil, Pomegranate Fruit Extract, along with various other beneficial components.

Product benefits: This shampoo is formulated to effectively cleanse dandruff, prevent fungal itching, and reduce hair loss. It also promotes hair growth and improves the condition of frizzy, tangled, split ends, and brittle hair, leaving it shiny, smooth, and strong.

How to use:

    • Begin by wetting your hair and scalp thoroughly with clean water.
    • Take an appropriate amount of shampoo into the palm of your hand and rub your palms together to create a lather.
    • Apply the lather evenly to the scalp, body, and hair ends.
    • Gently massage the scalp and hair for a reasonable duration.
    • Rinse thoroughly with water.
    • Afterward, dry your hair and scalp as usual.

*Hair Mask Cream

Ingredients: Coconut oil, Pink grapefruit peel essential oil, Avocado oil, Vitamin E, Vitamin B3, Organic thickener…

Product benefits:

    • Repair damaged hair, make hair shiny, strong and soft
    • How to use: Take a sufficient amount of cream to apply to the hair, massage thoroughly the entire scalp and hair ends for 10-15 minutes and then rinse with clean water.

*Peach grapefruit peel essential oil


This oil is derived from the peel of the peach grapefruit through the process of “steam distillation” and contains components such as Dl-Limonene, Beta-Myrcene, and other naturally occurring compounds.

Product benefits: 

It can be employed to enhance skin beauty, stimulate hair growth, promote long and smooth hair, prevent baldness and hair loss. Additionally, it possesses antibacterial properties, serves as a deodorant, imparts a pleasant fragrance to the scalp and hair, aids in weight loss, and facilitates relaxation and stress reduction.

How to use: 

    • To effectively utilize this oil, first cleanse the scalp, and then apply an appropriate amount to the desired area. 
    • Repeat this process 2 to 3 times a day, and there is no need to rinse it off with water.

*Herbal Mouth – Throat Spray

Ingredients: Aloe vera, menthol, betel nut and some other herbs…

Product benefits:

  • Revitalize oral freshness, deliver an immediate and enduring sense of oral freshness that lingers for hours, invigorating the mouth and uplifting confidence.
  • Advanced antibacterial action and odor obliteration from sources such as alcohol, tobacco and pungent foods. 
  • Support treatment and prevention of oral diseases: tooth decay, gingivitis, mouth, chronic pharyngitis (the cause of bad breath).

How to use:

  • Press spray directly into the oral cavity & throat. Once or twice each time, more as needed.
  • Use after eating or drinking or spray prior to social interactions, conversations, or intimate moments.

*Betel leaf feminine hygiene solution 


    • Our betel leaf essential oil is composed of several key components, including Eugenol, Phenol-4-(2-Propenyl), Acetyleugenol, 1,3-Bis(Hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione, among others. 
    • It is extracted using the “steam distillation” method, and it also contains Tulsi extract, Vitamin E, and purified water.

Product benefits: 

This solution serves a multifaceted purpose, as it effectively cleans, deodorizes, and maintains the natural fragrance of the external genital area. It also helps to balance the pH level and retain natural moisture. The active ingredients derived from betel leaves aid in relieving inflammation, stopping bleeding, reducing itching, and combating fungal and vaginitis issues.

How to use:

    • Begin by sanitizing, cleaning, and thoroughly drying the external genital area.
    • You can either spray the solution directly or apply it onto a cotton pad and then gently dab it onto the external genital area.
    • There is no need to rinse with water after application.
    • Use this solution 2-3 times a day for optimal results.

*Aloe Vera Jelly

Product benefits:

    • Skin care and Hydrate the body.
    • Boost Immune System Resilience.
    • Aid in the Management of Constipation, Colon Health, and Gastric Reflux.
    • Provide Nutritional Support – Facilitate Diabetes Management.

More Information


Address: Lai Xá, Kim Chung, Hoài Đức, Hà Nội

Hotline: 0773584888



0934 078 668