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Thomas POUPLIN

Founder and Managing Director

Unlocking a roasted coconut Absolute: Battling the lipid barrier

Unlocking a roasted coconut Absolute: Battling the lipid barrier

Roasted coconut absolute breakthrough: overcome 90–95% lipid barrier trapping δ-dodecalactone & nutty VOCs with gentle temp-controlled extraction for authentic, sustainable perfumery from LOSIAM.

From Chiang Mai’s Golden Fields: Unveiling the Allure of LOSiam’s Tobacco Absolute

From Chiang Mai’s Golden Fields: Unveiling the Allure of LOSiam’s Tobacco Absolute

LOSiam’s Tobacco Absolute from Chiang Mai fields: honey-fruity, caramel-hay notes via gentle extraction. Sweeter Thai twist on classic tobacco for orientals & gourmands—ethical, traceable perfumery material.

Our Products

Our Products

At LOSiam, our products are crafted with precision and care, reflecting our dedication to sustainability and innovation. * Classic Products: are available all year-round or as per stock availability. They are made at scale to ensure consistent quality. * Contract Extractions: are exclusively made to order for a range of products that

Our Lab

Our Lab

At LOSiam, our R&D laboratory is the heart of innovation, where traditional techniques meet modern science to create sustainable, high-quality fragrances. By combining French fragrance heritage with cutting-edge green chemistry, our team continually pushes the boundaries of natural extraction. We specialize in methods like solvent extraction, ideal for

About Us

About Us

Who we are Le laboratoire Olfactif du Siam (LOSiam) is an artisanal fragrance laboratory located in Chiang Mai, Northern Thailand. LOSiam brings together the French fragrance extraction heritage and cutting-edge innovations with Thailand’s rich nature & endemic species. Founded in 2022, with over two decades of expertise in natural

Aesthetics of Scent Awards 2024

Aesthetics of Scent Awards 2024

What a great time at the Aesthetics of Scent Awards 2024 in Bangkok with Thai Perfumers! Thank you to everyone who visited our booth and took the time to explore our absolutes and natural extracts. We appreciated your feedback on our new developments and many inspiring interactions for new ideas.

Reflecting on an Incredible Event Season!

Reflecting on an Incredible Event Season!

Over the past few weeks, the LOSiam team has had the privilege of participating in an exciting lineup of events, starting with Beautyworld Middle East in Dubai (October 28–30), followed by the Global Fragrance Summit by The International Fragrance Association (IFRA) (October 31), also in Dubai. We then returned