As of my last knowledge update in September 2021, “Nurnmir Sunblock” does not appear to be a widely recognized or well-documented brand or product. However, if this product has emerged since that time, I can provide some general information about sunblock (sunscreen) and how to choose one.

Sunblock or sunscreen is a product designed to protect the skin from the harmful effects of ultraviolet (UV) radiation from the sun. UV radiation can lead to sunburn, premature skin aging, and an increased risk of skin cancer. Using sunscreen is an essential part of sun protection, and it helps reduce these risks.

When choosing a sunscreen, consider the following factors:

1. SPF (Sun Protection Factor): Look for a sunscreen with a broad-spectrum SPF rating. SPF measures the level of protection against UVB radiation, which causes sunburn. For daily use, an SPF of 30 or higher is generally recommended.
2. Broad-Spectrum: Ensure that the sunscreen offers broad-spectrum protection, which means it protects against both UVA and UVB rays. UVA rays can contribute to premature skin aging and may play a role in skin cancer.
3. Water Resistance: If you plan to be in the water or sweat, choose a water-resistant sunscreen. Keep in mind that even water-resistant sunscreens should be reapplied after swimming or excessive sweating.
4. Skin Type: Consider your skin type and any specific needs. Some sunscreens are formulated for sensitive skin or specific skin concerns, such as acne-prone skin.
5. Ingredients: Check the product label for the active ingredients. Common active ingredients in sunscreens include zinc oxide, titanium dioxide, avobenzone, and octisalate. If you have sensitivities or allergies, be aware of potential irritants.
6. Application: Apply sunscreen generously to all exposed skin areas at least 15 minutes before sun exposure. Reapply every two hours or more frequently if swimming or sweating.
7. Expiration Date: Check the expiration date on the sunscreen bottle. Expired sunscreen may not provide adequate protection.
8. Consult a Dermatologist: If you have specific skin concerns or conditions, consider consulting a dermatologist for personalized sunscreen recommendations.
9. Sun Protection Habits: Remember that sunscreen is just one part of sun protection. Other protective measures include wearing protective clothing (e.g., hats, sunglasses, long-sleeved shirts), seeking shade, and avoiding sun exposure during peak hours (usually between 10 a.m. and 4 p.m.).

Please note that product availability and formulations can change over time, so it’s important to refer to the specific product label for the most up-to-date information regarding Nurnmir Sunblock or any sunscreen product. Protecting your skin from the sun is essential for maintaining skin health and reducing the risk of sun-related damage.