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Aquaphor is not comedogenic and does not contain any fragrances, preservatives, or dyes. [ 9 ] Unlike Vaseline (100% petrolatum), which is occlusive, Aquaphor (41% petrolatum) claims to form a semi-occlusive barrier on the skin.
Castor oil and its derivatives are found in many cosmetics as it is "non-comedogenic" (does not exacerbate or contribute to acne). [3]Cerebrosides (cells from the nervous systems of cattle or swine) were once used in some high-end skin-care products to increase moisture retention and to create a smooth skin surface, [4] however the BSE controversy has put an end to this practice.
A comedo (plural comedones) is a clogged hair follicle (pore) in the skin. [2] Keratin (skin debris) combines with oil to block the follicle. [3] A comedo can be open (blackhead) or closed by skin (whitehead) and occur with or without acne. [3]
"Opting for non-comedogenic products is an excellent decision for individuals of all skin types, particularly those with oily, combination, and acne-prone skin, as these products are less likely ...
There are sunscreens available to suit every skin type; in particular, those with oily skin should choose non-comedogenic sunscreens; those with dry skins should choose sunscreens with moisturizers to help keep skin hydrated, and those with sensitive skin should choose unscented, hypoallergenic sunscreen and spot-test in an inconspicuous place ...
Depending on their composition, lotions can be comedogenic, meaning that they can result in the increased formation of comedones (clogged hair follicles). [10] People who are prone to acne or forming comedones often prefer lotions that are designed to be non-comedogenic (not causing outbreaks). [10]
A non-comedogenic facial moisturizer can also be applied if needed. Delaying the application of the retinoid for at least 20 minutes after washing and drying the face may also be helpful. Topical retinoids are not true photosensitizing drugs, but people using topical retinoids have described symptoms of increased sun sensitivity.
There are many different types of moisturizers. Petrolatum is one of the most effective moisturizers, although it can be unpopular due to its oily consistency. [9] [10]Other popular moisturizers are cetyl alcohol, cetearyl alcohol, cocoa butter, isopropyl myristate, isopropyl palmitate, lanolin, liquid paraffin, polyethylene glycols, shea butter, silicone oils, stearic acid, stearyl alcohol ...