In genetics, dominance pertains to the property of a gene (or allele) in relation to other genes or alleles. A gene or allele shows dominance when it suppresses the expression, or dominates the effects, of the recessive gene (or allele). There are many forms of dominance: complete dominance, incomplete dominance, and codominance. Codominance is a form of dominance wherein the alleles of a gene pair in a heterozygote are fully expressed.
To protect your skin from harmful UVA radiation, use a suntan lotion with a high sun protection factor. Lotions with plant-based oils, such as vitamin E-rich avocado oil, have enhanced effectiveness. Vitamin E helps prevent premature skin aging due to sun exposure. Remember, there is no such thing as a safe tan.
This means it can help the skin retain moisture and heal itself.. When applied directly to the skin, jojoba oil has been known to help with acne, psoriasis, sunburn and chapped skin [Source: Levine]. Because it also has cleansing and moisturizing properties, it's often used in shampoos, cleansing products, and face and body lotions [Source: Levine].