A complete GUIDE to SUNSCREENS! (தமிழ்) #tamil #skincare #skin #sunscreen

Summary

This video explains the key factors in choosing the right sunscreen to protect against skin aging and photoaging caused by UVA and UVB rays. It breaks down important aspects like SPF rating, PA protection, and broad-spectrum coverage. The video explores different types of sunscreens: chemical, hybrid, and physical, and compares old vs. new generation chemical filters. It also provides product recommendations based on ingredients, including sunscreens suitable for various skin types. The video emphasizes the importance of using sunscreen daily and consulting a dermatologist for personalized advice.

Takeaways

• 😀 Sunscreens protect skin from photoaging caused by UVA and UVB rays, which can penetrate skin cells and cause DNA damage, leading to wrinkles and pigmentation.
• 😀 Always choose broad-spectrum sunscreens, which protect against both UVA and UVB rays, to ensure optimal sun protection.
• 😀 SPF rating indicates a sunscreen's ability to filter UVB rays. SPF 50 filters 98% of UVB rays, while SPF 30 filters about 96%. The difference is small, but SPF 50 is recommended for more reliable protection.
• 😀 The PA rating system (with + signs) measures a sunscreen's protection against UVA rays. PA+++ offers strong protection, which is ideal.
• 😀 Chemical sunscreens are absorbed into the skin and react with UV rays, while physical (mineral) sunscreens form a barrier on the skin’s surface for immediate protection.
• 😀 Chemical sunscreens need to be applied 20-30 minutes before sun exposure for effective protection, while physical sunscreens provide instant protection upon application.
• 😀 New-generation chemical filters, such as Uvinul A+, Tinosorb S, and Uvinul T150, are more stable and offer broad-spectrum protection without breaking down under prolonged sun exposure.
• 😀 Hybrid sunscreens combine chemical and physical filters, providing the benefits of both types for broad-spectrum and stable sun protection.
• 😀 Popular sunscreens like Neutrogena Ultra Sheer use older generation chemical filters such as avobenzone and octocrylene, while newer options incorporate advanced filters like Uvinul A+ and Tinosorb S.
• 😀 For specific skin needs, consider sunscreens with added skincare ingredients: niacinamide suits oily skin, while ceramides and hyaluronic acid are better for dry to normal skin types.
• 😀 It's crucial to reapply chemical sunscreens every 2-3 hours, whereas physical sunscreens offer more stable long-term protection without needing frequent reapplication.

Q & A

What are the two main types of UV rays that sunscreens protect against?

Sunscreens primarily protect against UVA and UVB rays. UVA rays are responsible for skin aging and pigmentation, while UVB rays are the leading cause of sunburns.

What does SPF stand for, and how does it help in sunscreen protection?

SPF stands for Sun Protection Factor, and it measures how well a sunscreen can protect against UVB rays. A higher SPF rating indicates more protection, with SPF 30 filtering about 96% and SPF 50 filtering 98% of UVB rays.

What does the PA rating on sunscreens indicate?

PA stands for Protection Grade of UVA. It indicates the level of protection a sunscreen provides against UVA rays. PA+ means mild protection, PA++ means moderate protection, and PA+++ means strong protection.

What is the difference between chemical and physical sunscreens?

Chemical sunscreens absorb into the skin and work by absorbing UV rays, whereas physical sunscreens sit on top of the skin and physically block UV rays. Chemical sunscreens require a 20-30 minute absorption time, while physical sunscreens work immediately.

What are hybrid sunscreens?

Hybrid sunscreens are a combination of both chemical and physical filters, offering the benefits of both types of sunscreen protection.

Why should chemical sunscreens be reapplied every 2 to 3 hours?

Chemical sunscreens can break down when exposed to sun, which decreases their protective effectiveness. Reapplying every 2 to 3 hours ensures consistent sun protection.

What makes newer generation chemical sunscreens more stable than older ones?

New generation chemical filters, such as Uvinul A+, Uvinul T 150, and Tinosorb S, are more photo-stable, meaning they do not break down easily under sun exposure, providing longer-lasting protection.

What are the two primary mineral sunscreen filters?

The two primary mineral sunscreen filters are titanium dioxide and zinc oxide. These ingredients form a protective layer on the skin and are less likely to cause irritation.

What should you look for in a sunscreen to ensure broad-spectrum protection?

Look for sunscreens that are labeled as 'broad-spectrum,' which indicates they protect against both UVA and UVB rays. Additionally, a good sunscreen should have an SPF rating of 50+ and a PA rating of PA+++ or higher.

How can adding skin care ingredients like hyaluronic acid or ceramides to sunscreen affect its use?

Sunscreens with added skin care ingredients, such as hyaluronic acid or ceramides, can enhance hydration and skin barrier protection. Hyaluronic acid is beneficial for dry skin, while ceramides are suitable for normal to dry skin types. These additions can help streamline a skincare routine.