Sun Protection Factor

Sun protection factor or SPF of sunscreen lotion is how effective the lotion is in protecting you from the harmful effects of the sun's ultraviolet rays. For example, applying a sunscreen with SPF 15 will protect you from the sun for 150 minutes, if usually, it takes only 10 minutes to burn under the sun.

Recently Answered Questions Recently Answered Questions

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I have sun damage and acne scars in my skin. Please help.

Query: Hello doctor, I have a couple of skin issues. I have some sun damage on my skin and a good amount of acne scars as well. I have been trying to get rid of those stubborn areas for a long time. They are mainly on the sides of my face. I also had a horrible case of folliculitis. It has recently cleare...  Read Full »

Dr. Payal Chauhan

Dermatologist, Venereologist

Answer: Hello, Welcome to I understand your concern, but there are no attached photographs in your message. Kindly send a picture of the affected area to help you better. I need to see the affected area to assess the condition and to suggest the appropriate diagnosis and treatment. Please sen...  Read Full »

Is it possible to remove milia with a needle?

Query: Hi doctor, I have a noticeable milia spot on my cheek. My dermatologist said that she would extract, but it could leave a dented scar. I have read that it does not scar. I am very nervous and unhappy with this milia, which looks like a big whitehead. Will it be safe to get it extracted? I have panic...  Read Full »

Dr. Gaurang Gupta

Cosmetologist, Dermatologist, Hair Transplant Surgeon, Venereologist

Answer: Hello, Welcome to Milia are a white material containing papule type lesions that mainly presents over the face. Milia are due to sun exposure. Long term sunlight exposure cause sweating and mild sunlight reaction and in turn form milia. If you notice the area, then you will come to kn...  Read Full »

What could be the spreading spot on my face be?

Query: Hi doctor, I have a spot on my skin for about two weeks and is not healing. It started out like a pimple and is now spreading. I thought it was an infected pimple and applied Bactroban which did not help. It tingles and burns.I do not know whether it is a fungal infection or not. I had something sim...  Read Full »

Dr. Shaunak Patel

Cosmetologist, Dermatologist, Venereologist

Answer: Hi, Welcome to I am sure your problem is distressing and is affecting you severely. Let us understand your case. Since you are a very fair skin type patient, you are naturally more exposed to sun radiation which is UV-A and UV-B (ultraviolet A and B) rays. In effect what it does is, ...  Read Full »

Shall I use night cream to get fair skin?

Query: Hi doctor, My face and body color are different. My face is getting dark and black day-by-day. What should I do to increase my fairness and get glowing skin? Shall I use some night cream?  Read Full »

Dr. Md. Kamrul Hasan Sajib

Family Physician, General Practitioner

Answer: Hi, Welcome to I have read your problem carefully. What is your nature of work? Will you get exposed to sunlight? Are you allergic to any drug or disease? There are a lot of causes of skin darkening. The most common reason is sunlight exposure. For treatment, 1. You can use a cap o...  Read Full »

What causes redness and burning sensation in the face?

Query: Hi doctor, I have severe redness in my face. I also have a burning sensation in my face. What is it? Is it curable?  Read Full »

Dr. Suvash Sahu

Cosmetologist, Dermatologist, Venereologist

Answer: Hi, Welcome to You are suffering from rosacea. It occurs due to solar damage, and it leads to vasomotor instability causing erythema on the face, and a tendency to flush easily. Identify the triggering factors and avoid it. The common triggering factors are hot or cold temperatures, w...  Read Full »

I need your suggestions on which sunscreen to use.

Query: Hi doctor, I am in a little trouble. Summer has started where I live, and I am addicted to playing cricket, whatever the weather or climate be. From last two weeks, I have noticed that my face color has become darker due to the sun. So, I am a little confused about which sunblock cream to use. I ne...  Read Full »

Dr. Geeta Priyadarsini Kamminana

General Medicine Physician, Internal Medicine Physician

Answer: Hi, Welcome to Sun protection factor or SPF blocks damaging UV rays, which are responsible for skin aging, darkening, sunburn, and malignancy. I would advise you to use sunscreens that are a multi-spectrum or broad spectrum, which blocks both UV-A and UV-B rays. Select Sunscreen acc...  Read Full »

Why are lots of new moles are developing in my body?

Query: Hello doctor, My wife is 27 years old. She is developing a lot of moles on her body . Every other month few adds to her hand or face or other part of body . Is it something of concern which needs any treatment ?  Read Full »

Dr. Shanza Ikram


Answer: Hello, Welcome to I have gone through your case. There are many different types of moles. First of all you need to understand that not all moles require evaluation as many of them are benign or you can say innocent. Moles which your wife is having are on face and hands and these are...  Read Full »

Should I avoid sun exposure to prevent scar pigmentation?

Query: Hi doctor, About three months ago, a bathroom wall mirror fell on me and sliced my left cheek open. It resulted in a pretty deep cut on cheek about 6 cm of my cheek. I got stitches in an hour and it has been healing well I think. I have also been massaging the scar every day for 10 minutes with Cica...  Read Full »

Dr. Sudhir Kumar N

Dermatologist, Hair Transplant Surgeon, Cosmetologist

Answer: Hi, Welcome to I have read about your query and the history. After an injury, anywhere for the matter may result in darkening termed as post-inflammatory hyperpigmentation. Cicaplast makes the healing faster and since it is three months for now, the injury would have healed better. A be...  Read Full »

Why does my face texture differ from body?

Query: Hello doctor, My face texture is darker than my body texture. I have tried many face wash, face whitening creams and face packs, but nothing seems to work. Please help.  Read Full »

Dr. Gaurang Gupta

Cosmetologist, Dermatologist, Hair Transplant Surgeon, Venereologist

Answer: Hello, Welcome to Your problem is very common especially in males. This is mainly due to working outside in sun which causes mild to severe tanning which you have (attachment removed to protect patient identity). Skin will become tan or darker due to sunlight. The photo exposed part b...  Read Full »

My face turns red when I am exposed to sunlight. What could it be?

Query: Hello doctor, I am a 21-year-old male trying to achieve an overall good facial complexion. For a number of years now my skin seems to be a bit damaged and has a lot less color to it than the rest of my body. My face seems to have general redness to it which is accelerated in the winter. I wash my f...  Read Full »

Dr. Shanza Ikram


Answer: Hello, Welcome to Right now, you are having photocontact dermatitis, which is redness of exposed skin parts on exposure to sunlight. This may be followed by hyperpigmentation and that is why you are observing different facial skin tones as compared to the rest of the bod...  Read Full »

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Disclaimer: All health Q&As published on this website is not intended to be a substitute for professional medical diagnosis, advice or treatment by a trained physician. Seek the advice from your physician or other qualified health-care providers with questions you may have regarding your symptoms and medical condition for a complete medical diagnosis. Do not delay or disregard seeking professional medical advice because of something you have read on this website.