Thongsiri International Co., Ltd. is a Thailand-based manufacturer and exporter of premium herbal skincare, haircare, and health supplement products. Located in Maha Sarakham, the company is known for its fusion of traditional Thai herbal remedies and modern cosmetic science, delivering high-quality wellness solutions under the brands SIRIMONA, SOSIRI, and AVANA.
Company Background
Founded by Dr. Phatthanun Ketthuam, Thongsiri International Co., Ltd. leverages deep-rooted knowledge in herbal pharmacology and cosmetic dermatology to develop innovative health and beauty products. The company’s operations reflect a commitment to natural ingredients, research-backed formulations, and sustainable practices. Through continuous R&D and customer-focused solutions, Thongsiri has gained traction across regional and global markets.
Core Business and Product Offerings
The company’s product portfolio includes:
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Skin Care:
- SIRIMONA Honey Gold Whitening Soap
- SIRIMONA Pueraria Plus Collagen Cream
- SIRIMONA Silky Touch Micro Sunscreen SPF50 PA+++
- SIRIMONA Honey Serum
- SIRIMONA Perfecting Serum
- SIRIMONA Coconut Oil Serum
- SIRIMONA BYB Essence
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Hair Care:
- SOSIRI Herbal Shampoo
- SOSIRI Hair Serum
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Traditional Medicine:
- SOSIRI Green Balm with Clinacanthus Nutans
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Health Supplements & Natural Beauty Products:
- AVANA Natto Gold Serum
- AVANA Honey Acne Care Soap
- AVANA Curcumin Thanaka Soap
- AVANA Herbal Scrub & Mask Powder
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OEM Services:
- Private label production for skincare and wellness brands
These offerings combine herbal efficacy with dermatological safety, targeting wellness-conscious consumers seeking natural, chemical-free alternatives.
Specialization and USP
Thongsiri International stands out in the wellness sector for:
- Ingredient Authenticity: Use of traditional Thai herbs like turmeric, thanaka, pueraria, and honey.
- Herbal-Cosmetic Synergy: Bridging traditional Thai medicine with scientific skincare.
- Product Versatility: Offering everything from serums and soaps to balms and dietary beauty supplements.
- OEM Expertise: Tailored product development and packaging for domestic and international brands.
Export and Market Presence
While shipment volume data is limited, the company actively targets overseas markets through online distribution, exhibitions, and partnerships with private-label brands. Thongsiri’s products are increasingly visible in Southeast Asia, and it is exploring opportunities in the Middle East and wellness-driven markets such as Japan and Korea.
Target Market
Thongsiri serves:
- Herbal and natural skincare retailers
- Online and specialty wellness stores
- Cosmetic distributors seeking OEM partnerships
- Beauty brands seeking Thai herbal formulations
Its products resonate with eco-conscious, skin-sensitive, and holistic health consumers.
Infrastructure and Capabilities
- GMP-standardized herbal extraction and manufacturing facilities
- On-site formulation development and testing lab
- Customizable packaging and branding solutions for OEM clients
- Herbal farming integration with regional partners
Certifications and Compliance
Though specific certifications were not listed, the company is expected to comply with:
- Thai FDA product registration
- Good Manufacturing Practices (GMP)
- Standard herbal safety assessments
Additional certifications for international markets may be acquired upon client request.
Customer Testimonials
Direct testimonials are not publicly listed; however, recurring participation in Thai wellness exhibitions and positive feedback from OEM partners underline their growing reputation and client satisfaction.
Major Achievements
- Developed a diverse, well-branded product line across three unique labels: SIRIMONA, SOSIRI, and AVANA.
- Created niche hero products such as the AVANA Natto Gold Serum and SOSIRI Herbal Shampoo.
- Established itself as a go-to OEM partner for herbal cosmetic solutions in Thailand.
Thongsiri International Co., Ltd. exemplifies the evolution of Thailand’s wellness industry—offering globally viable natural skincare and supplement products backed by traditional knowledge, ethical sourcing, and scientific integrity.
