effectiveness 1. Toxicity in our july article Youthful Beauty Cream we discussed several components which we prefer to keep away from in pores and skin care merchandise. To recap, we listed mineral oils, petrolatum, propylene glycol, parabens, phthalates, sls and sles. We also referred to as sunscreens into question. Toxicity (to humans) of pores and skin care elements may be divided into 3 wonderful classes:four a. Carcinogenic, referring to elements contributing to most cancers b. Endocrine-disrupting, which refers to chemical substances that disturb the body's hormonal balance, and can intervene with its ability to develop, develop, or function usually. Endocrine disruptors may also be carcinogenic. C. Allergenic,.