Crepey Wrinkled Skin on the Inside of Arm

Crepey skin is just side effect of aging that has no real treatment.   It is due to genetics, weight loss, and sun damage.  Some people, when they lose subcutaneous fat with age, will develop crepey skin on their arms. This is not associated with massive weight loss, only the predictable loss of fat under the skin which starts in the fourth and fifth decades of life.  
To remove excess skin, a surgical brachioplasty is helpful.  However, the trade off of having a scar if you do not have tremendous excess skin may or may not be worth it for you.  If it's just a matter of the quality of the skin, topical treatments like mild chemical peels, lasers, and microneedling may allow for subtle improvement.   I also recommend that you keep your skin well-hydrated with good moisturizers. 

Excess skin of the upper arm or wrinkles can be removed and arms tightened with an arm tuck or brachiplasty that hides the scar under the arm.

In the case of a athletic thin woman such as yourself, the most likely reason for your wrinkled skin is natural aging processes in which the consistency and volume of fat below your skin changes, losing its support to the overlying skin and thus leading to wrinkles. Your skin also loses its elasticity with aging, sun damage and genetic influences, preventing the natural recoil to compensate for loss of subcutaneous fat. There are many non-invasive means to tighten the skin such as microneedling, radio-frequency skin treatments, skin peels, etc.  Depending on the amount and distribution of wrinkling, a formal arm lift (brachioplasty) may be best.  I would suggest consulting with a plastic surgeon for further guidance.  Thanks!

There are many reasons for crepey skin underneath the arms. This may be a function of aging, weight loss, natural skin tone, etc.   The treatment options for this type of skin range along the spectrum of plastic surgical care. Options include laser therapy, skin peels, radiofrequency tightening and surgical skin removal and tightening. The most definitive treatment is surgical intervention, but it does come at the cost of a scar, generally hidden on the inner portion of the arm/elbow. The results are generally very good and appreciated by the patients. It's critical that you seek the advice of a surgeon who is certified by the American Board of plastic surgery and has extensive experience in body contouring.I wish you the best, Dr. Gabbay. 

For crepey, wrinkled skin on the inside of the arms, the best solution is a modified arm lift with a short scar hidden on the inside of the arm.  

A variety of conditions can cause crepey wrinkled inner arm skin. The treatment of this problem is entirely dependent upon the causation of the problem. In some cases, non-surgical methods of treatment might be helpful. Examples might include the use of lasers, chemical peels and a variety of topical agents. When significant amounts of loose skin are present, a brachioplasty may be necessary.Unfortunately, without pictures or a physical examination, it's virtually impossible to make a specific treatment recommendation. For this reason, it's important to consult a board certified plastic surgeon with experience in this area. This surgeon should be able to perform an exam and formulate an appropriate treatment plan.

Thank you for your question regarding wrinkled elbow skin. Without pictures and a thorough physical examination it is difficult to answer your questions. Since you are thin, have not lost weight, and exercise regularly, I doubt you have any excess arm fat. It sounds like you have just excess arm skin. If your arm skin tone is good, I would suggest the Fraxel laser. If the Fraxel laser does not work, I would suggest skin resection. Since the excess skin is around the elbow, I would anticipate the incision needs to be placed around the inner elbow. If you have excess arm skin and fat to the axillae, I would suggest the incision extend from the arm pit to the elbow.
Good luck with your quest for skinnier arms and elbows.
If you have any questions, please do not hesitate to contact my office.
Sincerely, Dr. Katzen

Excellent question. I would begin with a non-surgical skin tightening protocol that may include ablative lasers, non ablative lasers, and RF Ematrix to tighten the loose skin. Best, Dr. Karamanoukian

Thanks for your question! There are many factors that can have an effect on skin, some controllable and some not. Environmental cause include things like sun exposure, smoking, and diet. Other factors can include your own soft tissue genetics, and how your connective tissue reacts to weight gain/loss. 

As we age some of these factors can add up. Depending on the quality of your skin, and how severe the 'crepey' areas are, some non-surgical treatments are available. 
Brachioplasties can help with both contour and to remove the excess tissue. Non surgical treatments include RF tightening, RF needling, and in some cases, CoolSculpting. 
Its unlikely that an iron deficiency would create this kind of problem.
Speak with a reputable Plastic Surgeon with access to non-surgical treatments to discuss your options

The elasticity of the skin decreases as you get older, not a lot that can be done, but for sure, keeping your skin moist with a skin lotion may help over time with the appearance.