Polyquaternium-37 1g
https://www.manchesterbeacon.org/shop/rw2-trc-p689365-1g-polyquaternium-37-1g-282388
https://www.manchesterbeacon.org/web/image/product.template/282388/image_1920?unique=c683969
This Polyquaternium-37 is guaranteed a 1g with the use of and directly supplied to your lab by Gentaur's warehouse.
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