Title: What does 30x sunscreen mean? Analysis of hot topics on the Internet in the past 10 days
With the arrival of summer, sunscreen has become one of the hot topics. Recently, "What does 30 times sunscreen mean?" has become the focus of searches across the Internet. Many netizens are confused about the meaning of SPF and how to use it. This article will combine the hot content of the past 10 days, analyze the relevant knowledge of sunscreen, and organize structured data for readers' reference.
1. The meaning of 30 times sunscreen
The "multiple" of sunscreen usually refers to the SPF (Sun Protection Factor) value, and 30 times is SPF30. The SPF value indicates the sunscreen's ability to protect against UVB (ultraviolet rays). The higher the value, the longer the protection time. The following is a comparison table between SPF value and protection time:
| SPF value | Protection time (minutes) | UVB blocking ratio |
|---|---|---|
| SPF15 | 150 | 93% |
| SPF30 | 300 | 97% |
| SPF50 | 500 | 98% |
As can be seen from the table, SPF30 sunscreen can provide about 300 minutes of protection, which is suitable for daily commuting or short-term outdoor activities.
2. Hot topics related to sun protection in the past 10 days
According to the search data of the entire Internet, the following are the high-frequency keywords and topics related to sun protection in the past 10 days:
| Ranking | keywords | Search volume (10,000) | Related topics |
|---|---|---|---|
| 1 | What does 30 times sunscreen mean? | 120 | Interpretation of SPF value |
| 2 | Does sunscreen need to be removed? | 95 | Cleaning method |
| 3 | Physical sunscreen vs chemical sunscreen | 80 | Ingredient comparison |
| 4 | Reasons for applying sunscreen mud | 65 | Tips |
3. How to choose the sunscreen that suits you?
The choice of sunscreen varies according to skin type and scene needs. The following are the recommended types of sunscreen that netizens are most concerned about in the past 10 days:
| Skin type/scene | Recommended SPF value | Popular product types |
|---|---|---|
| oily skin | SPF30-50 | Refreshing gel, shaker |
| dry skin | SPF30+ | moisturizing lotion |
| outdoor sports | SPF50+ | Waterproof type |
| Sensitive skin | SPF15-30 | Physical sunscreen |
4. Misunderstandings about using sunscreen
In the past 10 days of discussions, the following misunderstandings were frequently mentioned:
1.“No need for sunscreen on cloudy days”: Ultraviolet rays have strong penetrating power and still require protection on cloudy days.
2.“The higher the SPF value, the better”: High SPF may increase skin burden, daily SPF30 is enough.
3."Apply once and take a day": Reapply every 2-3 hours, especially after sweating or swimming.
5. Summary
"30 times sunscreen" is SPF30, which is suitable for daily use by most people. Based on the hot data of the past 10 days, the choice of sunscreen needs to be comprehensively considered based on skin type, scene and ingredients. Scientific sun protection can effectively resist ultraviolet damage and protect skin health.
check the details
check the details
en
