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Instead, go for plain hydrocolloid or look for soothing ingredients like aloe and chamomile.—Jenna Ryu, SELF, 23 July 2024 These pimple patches have 36 patches that are UV sterilized, made with medical-grade hydrocolloid, and can withstand a whole night of tossing, turning, and pillow-squishing.—Meaghan Kenny, Condé Nast Traveler, 18 July 2024 With more than 103,000 5-star ratings on Amazon, this tiny but mighty (pun intended) patch works quickly using hydrocolloid — an adhesive gel that absorbs excess fluid from the skin — to remove oils, pus, and sebum from acne spots.—Madison Yauger, Peoplemag, 9 Feb. 2024 These star patches are formulated with salicylic acid and hydrocolloids to shrink uncomfortable spots and protect from picking, lessening redness and irritation.—Talia Connor, Rolling Stone, 7 Dec. 2023 See all Example Sentences for hydrocolloid
: any of several substances that yield gels with water (as alginic acid salts, agar, carrageenan, and related polysaccharide gums) and that are used especially as protective colloids and as impression materials in dentistry
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