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most are based on isopropyl alcohol or ethanol formulated together with a thickening agent such as carbomer (polymer of acrylic acid) into a gel, or a humectant such as glycerin into a liquid, or foam for ease of use and to decrease the drying effect of the alcohol.
karamihan ay nakabase sa isopropyl alcohol o ethanol na binalangkas kahalo ng nagpapakapal na agent gaya ng carbomer (polymer ng acrylic acid) na makagawa ng gel, o isang humectant gaya ng glycerin na gawing isang likido, o foam para madaling gamitin at para bawasan ang epekto ng pagtutuyo ng alkohol.
