Essay: Finding the difference between SPF 30 and 50

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  • Subject area(s): Science essays
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  • Published on: January 13, 2020
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  • Finding the difference between SPF 30 and 50
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My research task will comprise of finding out the difference between SPF 30 and SPF 50, and why people prefer one over the other. It has come to my attention that a lot of people think and believe that SPF 50 is quite dangerous, and can make ones skin darker. My intention is to prove major differences between these two with the certain factors and components each one would carry. These chemicals both contain danger if used but before that these chemicals contain toxic concerns like Oxybenzone and Octinoxate. The dangers of using SPF that is greater than 50 is: 1.Poor balance, 2.Higher SPF products may not really be higher, 3.Consumers misuse higher SPF products, 4.Higher SPF products can have greater risks to health.

RESEARCH QUESTIONNAIRE

What is the difference between SPF 30 and SPF 50, and certain chemicals they carry, and why people would prefer the one over the other.

Hypothesis

SPF 50 is the strongest, but contains chemicals that could be harm ful to the skin, and is idealistic to use the safer SPF30

Why I chose the topic

I chose this topic, because it is close to my heart, as a lot of people are not aware of the dangers of insolation, and they neglect the cautions that are given out on how the sun can cause skin cancer.

Aim

The aim of this research task would be obviously to differentiate the two SPFs but to also find out on the dangers these products carry within them and if there are any chemicals within the products that can affect one’s health or skin.

https://www.google.co.za/search?q=dangers+of+spf+30&safe=strict&rlz=1C1NHXL_enZA695ZA695&espv=2&biw=1366&bih=667&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiv-L2GionOAhUhIcAKHbfWCR4Q_AUIBigB#safe=strict&tbm=isch&q=difference+between+spf+30+and+50&imgrc=X4VoeXc8yDeJ9M%3A PAGE 1

Literature Review

The breakdown of what SPF really means:

SPF is the percentage of UVB rays<which are sun’s burning rays- that the sunscreen blocks. It’s not indicative of the percentage of skin ageing, UVA rays that the formula protects against, which is another reason to reapply often and choose sunscreen with broad- spectrum protection. So for SPF 30 and percentage breakdown is that it guards against 97npercent and that SPF 50 is about 98 percent.

Both UVA and UVB contribute towards risk of skin cancer. SPF rating is a measure of the time it would take you to sunburn if you were not wearing sunscreen as opposed to the time it would take with the sunscreen on. Sunscreen with higher SPF ratings blocks slightly more UVB rays, but none offers 100% protection.

Sunscreens with a higher SPF should offer more protection from the sun’s harmful Ultraviolet (UV) radiation which is linked to the vast majority of skin cancer, as well as premature skin ageing and eye damage. UV radiation reaches the search in the form of UVB rays and UVA rays. UVB radiation plays a key role in skin cancer, and SPF refers mainly to the amount of UVB protection a sunscreen offers. Thus higher SPFs can help: An SPF 15 sunscreen blocks 93 percent of UVB radiation, while as we said previously in the beginning of the literature review that SPF 30 sunscreen blocks nearly 97 percent. Furthermore, higher SPF values offer some safety margins since consumers generally do not apply enough sunscreen.

Despite these advantages, there are more potential downsides to using products with very high SPFs. First above SPF 50(which blocks an estimated 98 percent UVB rays) the increase in UVB protection is minimal. Second although UVA protection is also important (UVA not only accelerates skin ageing but contributes to and may even initiate skin cancer) SPFs mainly measure UVB protection. Individuals applying high SPF sunscreens may not burn (UVB is the chief cause of sunburn) but without UVA- screening ingredients they still can receive large amount of skin- damaging radiation.

Products with very high SPFs may also encourage individuals to neglect other photo protective behaviors, like seeking the shade and weari9ng sun- protective clothing. By preventing sunburns, sunscreens with very high SPFs can create a false sense of security prompting consumers to stay out in the sun longer. Sun damage (for e.g. UVA damage) can take place without skin reddening closes off UV radiation and even the best sunscreens should be considered just one vital part of comprehensive sun protection regimen

PAGE 2

UV radiation reaches the earth in the form of UVB and UVA rays. UVB radiation plays a key role in skin cancer, and SPF refers mainly to the amount of UVB protection a sunscreen offers. Thus, higher SPFs can help: An SPF 15 sunscreen blocks 93 percent of UVB radiation, while an SPF 30 sunscreen blocks nearly 97 percent. Furthermore, higher SPF values offer some safety margin, since consumers generally do not apply enough sunscreen. To evaluate SPFs, testers apply two milligrams of sunscreen per square centimeter of skin. But in everyday life, most people apply from only 0.5 to one milligram per square centimeter of skin. Consequently, the actual SPF they achieve is approximately 1/3 of the labeled value.

http://www.skincancer.org/skin-cancer-information/ask-the-experts/does-a-higher-spf-sunscreen-always-protect-your-skin-better

The importance of using both UVB and UVA protection cannot be emphasized enough. For patients who really wish to know “how high should I go?” I suggest products with SPFs no lower than 30 and no higher than 50. In addition to an SPF of 30+, your sunscreen should include some combination of the following UVA-blocking ingredients: zinc oxide, titanium dioxide, avobenzone, ecamsule, and oxybenzone. Sunscreens with both UVA and UVB protection may be labeled multi spectrum, broad spectrum, or UVA/UVB protection.

http://www.skincancer.org/skin-cancer-information/ask-the-experts/does-a-higher-spf-sunscreen-always-protect-your-skin-better

https://www.google.co.za/search?q=difference+between+spf+30+and+50&safe=strict&rlz=1C1NHXL_enZA695ZA695&espv=2&biw=1366&bih=667&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiClLaSnInOAhXpBcAKHRA2A1MQ_AUICCgB#imgrc=fMbFCMANZbkdeM%3A

PAGE 3

 

https://www.google.co.za/search?q=difference+between+spf+30+and+50&safe=strict&rlz=1C1NHXL_enZA695ZA695&espv=2&biw=1366&bih=667&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiClLaSnInOAhXpBcAKHRA2A1MQ_AUICCgB#imgrc=t8dltl_NC_mHRM%3A

https://www.google.co.za/search?q=difference+between+spf+30+and+50&safe=strict&rlz=1C1NHXL_enZA695ZA695&espv=2&biw=1366&bih=667&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiClLaSnInOAhXpBcAKHRA2A1MQ_AUICCgB#imgrc=SZSda0EZXVLJtM%3A

My conclusion of the literature review from the gathered information and collected sources is that we are aware of UV-ray exposure, even if it isn’t a sunny day. However, sunscreen is very effective at it is important blocking that exposure and lasts a surprisingly long time. It also doesn’t seem to matter much what level of SPF you use.

PAGE 4

https://www.google.co.za/search?q=conclusion+on+spf+30+and+50&safe=strict&rlz=1C1NHXL_enZA695ZA695&espv=2&biw=1366&bih=667&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjvjfDgo4nOAhVoLMAKHRChC-YQ_AUIBigB#imgrc=-pG4JLbT2sAvpM%3A

https://www.google.co.za/search?q=conclusion+on+spf+30+and+50&safe=strict&rlz=1C1NHXL_enZA695ZA695&espv=2&biw=1366&bih=667&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjvjfDgo4nOAhVoLMAKHRChC-YQ_AUIBigB#imgrc=dN-8H9qzs6Kg0M%3A

PAGE 5

Methodology

The process on how ‘Difference between SPF 30 and SPF 50 project’ was done/conducted will be fully described in this methodology of how all the steps were done leading to the conclusion of the research project and the changes that took place.

Step 1

Finding sources on the internet/books that have information on difference between SPF 30 and SPF 30 and the dangers that are associated with the different products and the damages they can bring to the skin and health. Researching on difference between SPFs and having a little bit of background in relation of what is the exact definition of SPF, the different types of SPF, risk factors and exposure and finally who is the most at risk to get certain factors by using SPF.

Step 2

Analyze the information in context to which SPF contains chemicals that could be harmful to the skin and health by conducting a literature review highlighting the possible factors that could lead to one being vulnerable to get skin cancer e.g. risk factors and exposure to high levels of radiation and chemical exposure.

Step 3

Drawing up a table to show the relationship between the different SPFs people use with the purpose of the table showing people who would be vulnerable to get skin cancer and get affected by the use of other chemicals.

Step 4

Conducting a questionnaire with it entailing the table of the relationship between the different SPFs and questions whether they know what SPF stands for and the exposures the SPFs could contain.

Step 5

Filling in the information found from the questionnaire and fill in the SPF people use the most and the certain exposures they would not be aware of in these certain products.

Step 6

Comparing information from all of these steps for which SPF that people would use and the certain risk factors they pertain.

Page 6

Step 7

Having a final conclusion to answer the topic question of the different SPF people use and the certain risk factors they pertain and the other changes that happened during the investigation.

Step 8

Reflect on what I have learnt during the research project and give a final answer on the different SPF people use the most and why they prefer it with the certain risk factors each product carries and what can be done to help prevent these certain health factors.

https://www.google.co.za/search?q=conclusion+on+spf+30+and+50&safe=strict&rlz=1C1NHXL_enZA695ZA695&espv=2&biw=1366&bih=667&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjvjfDgo4nOAhVoLMAKHRChC-YQ_AUIBigB#imgrc=dFDwzPdQoxnR1M%3A

Page 6

Process of findings

A table will be drawn to show findings of the research where a questionnaire will be given to people in the community of the Southdown’s area. The questionnaire consists of six questions relating to the difference of the SPFs and relating to trying to prove my hypothesis. The questionnaires were handed to people of different ages in the Southdown’s community. A Bar graph is also presented to show people who use these different products and how they are vulnerable or could get skin cancer and other health factors.

A line graph will also be represented drawing the results from the Bar graphs.

Female’s information table regarding different SPF they use

Do they know what SPF is? The different SPF they use and do they know about risk factors Age Gender

No SPF 50 and no 15 Female

Yes SPF 50 and yes 15 Female

No SPF 30 and no 13 Female

No None used and no 17 Female

Page 7

Do they know what SPF is? The different SPF they use and do they know about risk factors Age Gender

Yes SPF 30 and yes 28 Male

No None used and no 17 Male

Yes SPF 30 16 Male

No None used and no 13 Male

The two tables about males and females have been drawn and filled in with the information from the questionnaires that were filled in by the different genders. The table consists of these questions: Do they know what SPF means? And the different SPF they use and do they know about the risk factors.

My results of the two genders are similar as both the genders did know and sometimes did not know about what SPF really is and what it entails. There wasn’t a difference with the risk factors as most of the people are from the community and they use kind of the similar SPFs and with the age and gender the numbers were equal with only one person interviewed over the age of 20. In the research investigation for females the numbers of knowledge about the risk factors was balanced with the knowing what risk factors each SPF carries and similar in males too. The results from the experiment do reflect what was said in the hypothesis prior to that people who use a SPF 50 are likely to get certain health issues they do not know about and that people who use these products do not know about the certain risk factors.

The research could be improved by giving out more questionnaires to every single age groups to see the age group which knows about the different SPF and the dangers of these SPFs.

Page 8

A line graph on different SPF used and risk factors of using SPFs

Page 9

 

https://www.google.co.za/search?q=conclusion+on+spf+30+and+50&safe=strict&rlz=1C1NHXL_enZA695ZA695&espv=2&biw=1366&bih=667&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjvjfDgo4nOAhVoLMAKHRChC-YQ_AUIBigB#safe=strict&tbm=isch&q=dangers+of+SPF&imgrc=p2Uv9rULEOEseM%3A

Page 11

 

Conclusion

The problem question is does the SPF percentages in sunscreen really make a difference in protecting your skin. The hypothesis is if SPF 30, 50, and 100 is placed on your skin than 100 percent will protect your skin the best because it is thicker than the other layers. SPF 30 – 2 rays SPF 50 – 4 rays SPF 100 0 min.5 rays, and no sunscreen had 28 rays come upon it in the 2 hour exposure to the sun. The SPF 30 had the best results then SPF 50 and the one with the worst results was SPF 100. The hypothesis was incorrect because SPF 30 had the best results. This project is very helpful because there would have less people getting sunburns or skin diseases. You could use this information to get more SPF 30, and save more money because some brands make SPF 100 a higher price than SPF 30 and 50. The experiment could have been better by setting a timer to go outside and check the UV rays. Setting a timer would be helpful to get all of the times correct

The reason why I chose this topic is many people are unaware of skin cancer and it is close to my heart as many people die from not knowing about factors of SPF and being in the sun without protection.

https://www.google.co.za/search?q=conclusion+on+spf+30+and+50&safe=strict&biw=1366&bih=667&espv=2&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjH7bXo5InOAhUMC8AKHVUTC8cQ_AUIBigB#imgrc=1eELHicwcxWL2M%3A

 

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