Questions tagged [dermatology]

Questions about diseases or disorders of the skin fall under the general tag "dermatology", which is the branch of medicine dealing with the skin. This includes the skin's structure and function as well as any disorders or diseases. It also deals with structures generated in/by the skin, e.g. sweat, oils/sebum, hair, nails, moles, warts, skin coloration and its disorders, etc.

93 questions with no upvoted or accepted answers
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6
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0answers
39 views

Why are retinoids applied only after washing the face?

Is there a reason behind washing your face before applying retinoids? I do not know why this is required. Of course, assuming you haven't done anything dirty (like sweat) during the day. This is ...
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50 views

Why do you not need sun protection whe the UV index is 3?

In Australia, they recommend sun protection when the UV index is above 3. Why is this? Surely whenever it's above 0 there are still UV rays hitting your skin? Would 10 minutes in the sun with a UV ...
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35 views

Does cooling the skin reduce irritation from shaving?

Increasing age has increased the sensitivity of my grandfather's skin; so he asked me to pose the question entitled above, after seeing electronic shavers that cool the skin and questioning whether ...
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49 views

Use of chlorohexidine gluconate for disinfection and minimisation of bacteria growth

Chlorohexidine gluconate (topical/wash-off), is a semi-essential disinfectant in domestic environments and furthermore in the maintenance and minimisation of bacterial growth in medical conditions ...
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128 views

Does having one's skin pores closed or open affect its health?

I've stumbled upon a long marketing post about better shaving techniques and instruments, which briefly mentions that "You should close your skin's pores after shaving by splashing your face with cold ...
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165 views

Do the usage of antiperspirants causes cysts

Does the continuous usage of antiperspirants causes cysts if so what happens if the person continues to use the antiperspirant will it result in any other side effects worsening the condition.
4
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1answer
71 views

Shampoos that are supposed to help hair grow - how long should they be left in before rinsing?

Some shampoos contain ingredients such as Biotin with the expectation that it will promote hair growth. Presumably the ingredient is in a format that can be taken up by the skin (or the hair follicles)...
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27 views

What is the reason for pink discoloration in pink disease or acrodynia

Pink disease or acrodynia is a reaction to large doses of amalgam. It is an uncommon mercurial toxicity reaction in which skin is involved. According toWikipedia: Acrodynia is a condition of pain and ...
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59 views

Is vitiligo transmitted by heredity from one generation to a later one?

There seem to be many testimonies on the internet that suggest that vitiligo is heritable 1. According to a Quara answer 2, there is apparently a 5% chance of transferring vitiligo to your kids. Yet, ...
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48 views

Does eating manuka honey help prevent acne?

Does eating manuka honey help prevent acne? What I have found so far is unsubstantiated or in vitro. {1}: The Internet is filled with patient testimonials that Manuka honey works marvelously for ...
3
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54 views

Electromagnetic Light and Radio Pulses in Combination against Skin Conditions

Reading up on recent developments in the treatments for Hidradenitis suppurativa I came across a brand new option. Τhat option, if true, would by absolutely sensational on several fronts: The so ...
3
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13 views

Calculating sun exposure limit over changing UV index

I'm currently working on an engineering project which monitors the users current UV exposure and attempts to calculate how much time they can safely remain in the sun. An issue I've encountered is ...
3
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50 views

Can I remove the dark skin under my eyes

I think I have hey fever, which makes my eyes water uncontrollably and constantly. This has happened since I was a child. I've been known to randomly cry, my friends know I'm not actually. Instead ...
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332 views

Possible to remove Achilles skin adhesions after significant time?

I ruptured my right Achilles tendon in a martial arts class in late May, 2012. It was a full rupture, and surgically repaired within a week by a reputable orthopedic surgeon (Consultant/surgeon for ...
3
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1answer
61 views

Which type of protein supplement is better suited to promote skin healing?

Typically, protein is used as a sport nutrition for muscle growth. But I need it for another reason. I was injured (lacerated skin wound). Physicians sometimes recommend to consume protein to promote ...
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38 views

Endoderm And Ectoderm

According to Wikipwdia: Ectoderm is one of the three primary germ layers in the very early embryo. The other two layers are the mesoderm (middle layer) and endoderm (most proximal layer), with the ...
2
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75 views

Seboorrheic Dermatitis, Fungi, Environmental Factors

How can seborrheic dermatitis not be caused by poor hygiene as the assotiation for dermatology said? Wouldn't poor hygiene at least aggravate the condition? The treatment is mainly antifungal. And ...
2
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36 views

Is tacrolimus carcinogenic and if so, what causes it to be?

The FDA issued a health warning 1 regarding the possible cancer risks of tacrolimus ointment, however, British dermatologists2 don't consider this a significant concern and they are increasingly ...
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77 views

How does tacrolimus affect vitiligo-affected skin and hair (re)pigmentation?

While tacrolimus (Protopic) creme was not created with the purpose to treat vitiligo, it is prescribed by dermatologists for that purpose. The non-pigmented hairs in vitiligo affected skin treated ...
2
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0answers
49 views

The relation of weight loss speed and loose skin

For the past week I have been hunting for the answer to the following question: Does the speed at which you lose weight have any relationship with loose skin? And the real question, why or why not? ...
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46 views

What diseases could be transmitted skin to skin (massage)?

What kind of diseases one can get from a skin-to-skin interaction such as getting full body massages (without touching intimate parts) assuming a person had mild skin damages that occur after shaving ...
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0answers
30 views

Do bearded faces age slower?

Recent research indicates that UV exposure may be responsible for around 80% of facial skin aging symptoms. The more unprotected exposure from the sun, the more the skin ages. Does the evidence show ...
2
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193 views

What are the differences between Mepiform and Mepiderm silicone plasters/tapes?

What is the difference between silicone plasters/strips Mepiform and Mepiderm. What is better to use for a scar that is 1 month old? I want to use a silicone tape (for prevention of excessive ...
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82 views

Can silicone plaster “Mepiform” be used for the atrophic scars?

Can silicone plaster "Mepiform" (that is typically used for prevention of excessive formation of scars) be used for the specific type of scars - atrophic scars?
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0answers
487 views

Is there a shampoo that does not contain SLS or cocamidopropyl betaine?

If there is someone who is allergic to cocamidopropyl betaine and concerned about skin irritation from SLS (Sodium Lauryl Sulfate), is there a resource that shows shampoos without these ingredients?
2
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20 views

Is it harmful to write on yourself with pen ink?

If so, what are the chemicals present that make it toxic? I imagine it depends on the pen. Specifically, I'm asking about bic pens and sharpies, but I'm curious in general.
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0answers
27 views

What layer of skin and approximate depth would this be?

So this for a school thing and I am completely stuck on working out what it is. I'm thinking reticular dermis but thats just a guess. "It is a clean wound positioned just below the elbow crease that ...
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0answers
31 views

Bruises lasting effect

Grappling every day and getting repeat bruises. Will this decrease the skin's softness or cause it to age faster or lose its elasticity? The bruises are caused by pinching the skin getting pressed ...
2
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0answers
46 views

Does pure lanolin for sale in stores still contain vitamins?

I have heard that lanolin is a great source of certain vitamins, particularly vitamin d2 & d3. I like to use lanolin on my skin as a moisturizer, but I'd much rather use it in it's most natural ...
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0answers
67 views

Estrogen level after sex

Estrogen levels ought to elevate after having sex in women and thus improve skin and hair quality. I do not find the scientific proof for this statement. Who can help?
2
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0answers
92 views

How can I prevent a “pimple hole” from scarring?

I had a whitehead building on my nose for weeks, and I decided enough was enough and squeezed it out. It didn't pop, it just kind of came out. But it left a hole, like an actual open hole, about a ...
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0answers
1k views

Can sinus infections cause skin problems?

I have been suffering from nasal septum deviation and I find it difficult to breathe. I've planned a surgery to treat it. I've started developing acne problems on my skin and was wondering if it could ...
2
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0answers
329 views

Better than biafine?

My friend has an extreme form of vitiligo so she has developed an extreme sensitivity to the sun and gets sunburns quickly. She uses Biafine often and also Epitheliale AH. What are some alternatives ...
2
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1answer
33 views

Safe UV exposure time

How long can our body be exposed to UV to not cause health problems like skin cancer, etc,. In some parts of the USA, the UV index can reach High (7-9). I'm trying to understand if I need to stay ...
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42 views

How dangerous for the human skin are naturally occurring wavelengths above 380nm?

I read on https://www.cancer.org/cancer/cancer-causes/radiation-exposure/uv-radiation.html: UVA rays have the least energy among UV rays. These rays can cause skin cells to age and can cause some ...
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30 views

Can hair transplant on scar tissue cause hypertrophic (yet not necessarily keloid) scarring and if so, how it is avoided?

It is possible and common to conduct hair transplant on scalp for men and women and on facial beard areas for men ("beard filling" or "beard completion"). Both described transplants are possible to ...
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0answers
18 views

How do melanin or pigment related genetics from Vitiligo patients compare to or differ from Albinism patients?

The definition of Albinism is: Albinism is a congenital disorder characterized in humans by the complete or partial absence of pigment in the skin, hair and eyes. 1 The definition of Vitiligo is: ...
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0answers
14 views

What factors (hereditary or acquired) affect the formation of tan tones and why some people lose tan earlier than other?

I compared two people (both Russians, both have the same skin tone) after tanning. One tan passed after 4 weeks, the other holds even after 4 months. I do not have professional knowledge in ...
1
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1answer
152 views

Do synthetic fabrics pose a health risk?

Background I've seen a large number of health blogs that describe Polyester, Rayon, Acrylic, and Nylon, as harmful or toxic (usually due to chemicals used during the manufacturing process). Some ...
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0answers
98 views

Why do skin calluses not heal sometimes and remain tough until they fall off?

Bar exercises such as pull-ups, toes-to-bar etc. usually cause skin calluses on one's hand, just below the place where the fingers are connected to the hand, e.g.:. So the skin in these areas hardens,...
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0answers
33 views

Is it bad for skin to be naked so often?

I often feel itchy, very quickly after I take off my shirt. So it made me think about it. I can Imagine that cloth absorbs our sweat and thus prevents it from accumulating on skin which I don't think ...
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0answers
16 views

As of Apr. 2018, is topical benzyl peroxide considered to be carcinogenic?

Please notify me of any more recent studies than this from 1995, whose abstract states: Topical benzoyl peroxide has been used in the treatment of acne for over 30 years, with no reports of adverse ...
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0answers
40 views

What is the most potent method of scar resurfacing?

For now, there are different methods of scar resurfacing: Laser Fraxel Radio Frequency therapy CO2-Laser Microneedling with/without PRP Nd:YAG laser Dermabrasion/Microdermabrasion Maybe some others?...
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0answers
2k views

Mederma or Contractubex. What is better for still forming normotrophic scars?

Mederma and Contractubex have similar composition. Mederma's ingredients according to Tabletwise: Allium Cepa Topical (onion) Allantoin Topical Purified Water Topical Xanthan Gum Topical ...
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0answers
20 views

Why is terbinafine hydrochloride cream OTC in the US whereas ciclopirox olamine cream isn't?

Why is terbinafine hydrochloride cream OTC in the US whereas ciclopirox olamine cream isn't? Both medications are typically used to treat fungal skin infections (tinea corporis, tinea capitis, tinea ...
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0answers
80 views

How to prevent and minimize whitening (albication) of the scar on face?

Normotrophic scar (about 1 cm long) was formed on my face (lower eyelid). Typically, with time scars tend to turn white. That probably indicates that scar tissue formation is finished. Then this ...
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43 views

Is simultaneous use of silicone gel and plaster against scar reasonable?

Some plastic surgeons say that attaching silicone plaster on top of the silicone gel is more effective against scar. Some surgeons say that it is useless. What is the truth?
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79 views

Does it make sense to apply bio-oil products such as vitamin E (oil), Aloe vera, etc. on the scar to minimize scarring?

I have 1-month old scar on my face. Now I am using silicone gel against scars. On the internet I found that in such cases, it will also be useful to apply such products as vitamin E (liquid form), ...
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0answers
34 views

What works better in minimizing scars? Silicone plasters or silicone gels?

Are silicone plasters or silicone gels more effective for minimizing scarring and optimal healing of a one month-old scar?
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749 views

What are the differences between Stratamed and Strataderm gels?

Recently some man had injured my eyes and eyelid skin. My lower eyelid skin was ripped. Lacrimal channel was ripped as well. In the hospital, my wound on the inferior eyelid was stitched. A week ago ...