Tattoos have now become a new symbol of freedom and artistic expression. The history of tattoos has ranged from symbols of tribes, to signal anti-establishment rebel sentiments, to that of inner expressions, to the extent that they are now well accepted in society. However, once tattooed, they become permanent proof of a temporary lapse in judgement. However, tattoo removal has become more common due to the accessibility of advanced lasers.
How do tattoo removal lasers work?
Tattoos are pigments which are deposited in the mid-layer of skin called dermis. Tattoo pigment can be broken down by Q YAG lasers into smaller particles. Then, these pieces are ‘swept away' by the body's own macrophage system. These QYAG lasers are combined with Fractional CO2 lasers to make microchannels into the skin in order to eject the pigment debris out of the skin through a process called transepidermal elimination.
Different wavelengths of laser target different colours of tattoo. In general, black tattoos are the easiest to remove relatively than white and blue tattoos.
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Treatments are done once in 8 weeks. This allows the complete removal of the tattoo debris from the previous treatment.
Tattoo removal results depend on the pigment colour in the tattoo, location of the tattoo and whether it was professionally done. Generally, amateur tattoos take fewer sessions, as the pigment is more superficial. Black tattoos respond better that tattoos of other colours. Tattoos over the trunk, chest and neck respond better than those on the arms and legs.
Though a combination of Q YAG and CO2 laser does give significant tattoo removal result, some mild image may be left behind.
Usually, a topical anaesthetic numbing cream is applied over the area. Then, the tattoo is targeted by the QYAG and fractional CO2 Lasers. A sterile dressing is given overnight. Antibiotic cream application is also recommended until the crusting resolves.
Dr. Rasya Dixit, Medical Director, is a trusted clinical and cosmetic dermatologist from Bangalore, with more than 10 years of experience and expertise in her field.
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