Isopropyl Palmitate
十六酸異丙酯, 棕櫚酸異丙酯, 棕櫚油鹽
分子量:298.50 Cas No:142-91-6

屬化學製造之合成脂,清爽、易推開,無一般植物油之黏膩感,因分子小,易滲入毛孔中清潔油脂類污垢,作為卸妝用途時較果非常良好,但同時也會滲透角質細胞,過度使用會使皮膚角化、變得粗糙蠟黃,拒絕指數為 4/5(越高越不好)[1]。

並常添加於多種化妝品中作為溶劑,面皰發生性為 4/5(越高越不好),皮膚刺激性為 1/5(越高越不好)[1]。
[1] 張麗卿,『優質保養品選擇策略』,聯經出版社,2003/07/10。







Paula's Choice:
'It can potentially be problematic for those with oily skin, depending on the amount in the product and your skin’s response.'

Isopropyl palmitate is the ester of isopropyl alcohol and palmitic acid. *Not* safe for malassezia (fungal acne).


WHAT IS IT? A compound of isopropyl alcohol and palmitic acid that is used commonly as a thickening agent. It is an easily spreadable man-made thickening and emollient agent; its main function is to make products feel soft and look shiny. Isopropyl myristate can often be found in beauty products as well and is a major ingredient in a can of penetrating rust remover, Liquid Wrench.

HEALTH RISK: Known to be comedogenic (pore-clogging), it also causes flare-ups of pustular acne. The thickness of the chemicals in isopropyl palmitate can deprive the skin of nutrients such as as oxygen. If the skin doesn’t breathe, your pores can become clogged and healthy skin cells can die. This can also lead to dry, flaky skin. In addition, industry tests on rabbits indicate the chemical can cause skin irritation and dermatitis. This is a cheap way to make products feel nice and last longer but it’s bad for your skin, especially if you’re prone to breakouts!

Molecular Formula: C19H38O2.
Not safe for fungal acne / Pityrosporum (Malassezia) Folliculitis.

MF: C19H38O2 MW: 298.5g/mol


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