Based on the search results, there is no information about a product called "zinc plus untuk jerawat." However, we can provide some general information about zinc and its use for acne treatment.

Zinc is a mineral that has anti-inflammatory properties and can help reduce the production of oil in the skin. It has been used as a treatment for acne, both topically and orally. Some studies have shown that topical zinc can be effective in reducing acne lesions.

Positive aspects of using zinc for acne treatment include its anti-inflammatory properties and its ability to reduce oil production in the skin. Negative aspects may include skin irritation or allergic reactions to zinc. It is important to note that the effectiveness of zinc for acne treatment may vary depending on the individual and the severity of their acne.

Ingredients or materials in a product containing zinc for acne treatment may vary depending on the specific product. It is important to read the label and consult with a healthcare professional before using any new skincare product.