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FERET Block Hyalin

$ 20.00

Why Shen Loves it: A true original since 1878, Bloc Hyalin consists entirely of 100% natural alum stone. Handcrafted in France for generations by family owned Féret Parfumeur, Bloc Hyalin is made with constant concern for authenticity, impeccable quality, and respect for your skin.


Bloc Hyalin is skin care’s best kept secret. Among the product’s many uses:

  • Natural deodorant that prevents the formation of bacteria that causes body odor
  • Calms razor burn after shaving
  • Reduces discomfort and ingrown hairs due to waxing
  • Dries up acne and sores on the lips
  • Helps limit sweaty feet and palms
  • Astringent properties firm and tone the skin


Run the block under warm water water and rub it on to your face. The alum will be quickly sooth any irritation and razor burn. Smoothed onto the skin it leaves an invisible film of mineral salt which reduces perspiration.

For longer life, use the drip tray provided and never let your block remain in prolonged contact with water. When properly cared for, your Bloc Hyalin alum stone will last for  years.


Bloc Hyalin is 100% natural potassium salt (double sulfate, composed of aluminum sulfate and potassium; INCI name: potassium alum), extracted from saline and quarries around the world. This salt is purified to remove impurities. Potassium alum is totally inert and thus not absorbed by skin cells, which makes it absolutely harmless.

100 gram block (3.52 oz.)

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