Urea compositions and their methods of manufacture
View Patent ↗Urea compositions useful for treatment of dermatological conditions. The compositions, which are free from perceptible solids, may include at least about 50 wt-% urea, zinc pyrithione, and lactic acid, and may be formulated as a topical gel.
1. A dermatological composition comprising:
about 50.3 wt-% urea;
about 0.30 wt-% hydroxyethylcellulose;
about 0.30 wt-% xanthan gum;
about 20.00 wt-% propylene glycol;
about 0.10 wt-% zinc pyrithione;
about 2.00 wt-% lactic acid; and
about 2.70 wt-% triethanolamine.
2. A dermatological composition, comprising:
about 0.18 wt-% carbomer;
about 35.2 wt-% urea;
about 5 wt-% caprylic triglyceride;
about 0.1 wt-% ceramide;
about 0.75 wt-% linoleic acid;
about 0.8 wt-% cholesterol;
about 3 wt-% vitamin E;
about 2 wt-% triethanolamine;
about 2 wt-% lactic acid; and
about 0.1 wt-% zinc pyrithione.
3. A dermatological composition, comprising:
about 50 wt-% urea;
about 5 wt-% caprylic triglyceride;
about 0.75 wt-% linoleic acid;
about 3 wt-% vitamin E;
about 2 wt-% lactic acid; and
about 0.1 wt-% zinc pyrithione.