Bulgaria
Bulgaria has a documented therapeutic peat tradition linked to its broader balneological heritage, though it is far less studied internationally than Czech, German, or Estonian peat. The best-characterised deposit is in Radomir municipality, Pernik Province, in the southwest of the country.
Laboratory analysis by the Bulgarian Ministry of Health shows this peat is a high-quality organic peloid: very low ash content (0.5%), 26% humic acids in dissolved form, and 36.75% organic carbon — figures that place it closer to Nordic sphagnum peat in organic purity than to typical mineral-rich Central European fen peats. Water-holding capacity (1,354 g/100g) and swelling degree (6.80) are excellent for peloid therapy, and heat capacity supports use in thermotherapy wraps and baths.
Heavy metals are at negligible levels, and microbiological analysis complies with Bulgarian resort-resource regulation, confirming the peat is safe for therapeutic application.
Bulgarian peat-based cosmetics and wellness products are underdeveloped compared to Northern and Central Europe, but there is emerging commercial interest in sports-recovery products, spa treatments, and humic-extract cosmetic actives.