Some dermatologists advise against tallow due to potential pore-clogging (comedogenicity) for certain skin types and the lack of extensive research supporting its benefits compared to other ingredients. Concerns also exist regarding potential allergic reactions or irritation depending on the purity and processing of the tallow.

Daily use of beef tallow on the face depends on individual skin type and tolerance. Start with a small amount and monitor for any adverse reactions like breakouts, redness, or irritation. If your skin tolerates it well, daily use may be acceptable, otherwise reduce frequency.

Potential disadvantages of tallow include pore-clogging, especially for acne-prone or oily skin. Some individuals may experience allergic reactions or skin irritation. The quality and processing of the tallow significantly impacts its safety and effectiveness.

Tallow is believed to moisturize and nourish the skin due to its fatty acid content, which mimics the skin's natural sebum. It may also create a protective barrier, helping to prevent moisture loss. However, results vary depending on individual skin type and the quality of the tallow.