A skin-identical lipid that strengthens the moisture barrier and reduces water loss.
Irritation
low
Source
semi-synthetic
Beauty ingredient research
Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.
20769
Reviewed ingredients
524
Low-concern standouts
2884
Need usage caution
A skin-identical lipid that strengthens the moisture barrier and reduces water loss.
Irritation
low
Source
semi-synthetic
A well-studied silicone that provides a silky feel and temporary barrier without clogging pores for most people.
Irritation
low
Source
synthetic
A reliable, non-irritating occlusive that locks in moisture, but may feel heavy on oily or acne-prone skin.
Irritation
low
Source
semi-synthetic
Mineral oil is a safe, effective occlusive that locks in moisture, but its heavy texture may not suit oily or acne-prone skin.
Irritation
low
Source
synthetic
Paraffin is a highly effective moisturizer that seals in hydration, but it can feel heavy and may clog pores for some skin types.
Irritation
low
Source
synthetic
A synthetic oxygen carrier that may temporarily boost skin oxygenation and help other ingredients absorb better, but its long-term benefits are still being studied.
Irritation
low
Source
synthetic
Petrolatum is a time-tested, highly effective occlusive that locks in moisture and protects the skin barrier, with a strong safety record when properly refined.
Irritation
low
Source
synthetic
Red Petrolatum is a tinted occlusive that locks in moisture and adds a pop of color, but may clog pores for some skin types.
Irritation
low
Source
semi-synthetic
Silicones are safe, non-comedogenic film-formers that give a smooth feel, but they can cause buildup and may not suit all skin types.
Irritation
low
Source
synthetic
Synthetic Petrolatum is a reliable, non-comedogenic occlusive that locks in moisture without the impurities of natural petroleum jelly.
Irritation
low
Source
synthetic