Types of Acne

Acne is a common condition mainly in teenagers. One of the common sequelae for acne is acne scarring. The common type of acne scars are
Ice pick scars -narrow and less than 2 mm wide, punctiform deep scars
The opening is usually wider than the base forming a v shape
Rolling scars -depressed, distensible scars with gentle sloping edges
And box scars -shallow or deep punched out u shaped scars. Maybe round, polygonal or linear
TCA CROSS
What is it?
Chemical reconstruction of skin scars using high concentrations of trichloro acetic acid.
It is done to improve the appearance of atrophic scars
The acid is applied directly to the base of atrophic scars with a sharp wooden applicator
This induces inflammation followed by increased collagen formation, resulting in decreasing the depression of the scar
Common treated scars are ice pick scars because of acne, chicken pox scars and enlarged pores
Before the procedure
Patients are often started on prescription strength acne medications
They are advised to use broad-spectrum sunscreen daily
Patients prone to pigmentation are started on pigmentation reducing treatments
During the procedure
The doctor will clean the skin
Followed by degreasing with an alcohol-based solution
The acid will be applied to the treatment area until frosting of the skin occurs within 10-15 seconds
Most patients report a slight stinging of the treated area
Patients are advised to continue with moisturizing and usage of sunscreen
Treated area will form scabs that are to be left to flake off on their own
Prescription medications can be restarted a week after the procedures
Treatment can be repeated every 2 weeks
The treatment is suitable for all skin phototypes


