Chapter 6: Skin rejuvenation Flashcards
Basic principles of skin rejuvenation
Selective heating —> neocollagenesis in the dermis (dermal regeneration)
Secondary wound healing response begins —> Epidermal regeneration
Melanin and absorption of light —> thermal damage to pigmented lesions
(Lesion clearance)
Skin rejuvenation requires 2 things
- Neocollagenesis
2. Selective photothermolysis
What is photo rejuvenation
Non- traumatic removal of skin surface layers to induce neocollagenesis in the dermis and reduce wrinkles and improve the dermal layers
Following the removal of surface skin layers at a particular depth, the body‘s natural wound healing response begins to regenerate the epidermidis and the underlying wounded skin layers
The new skin layer will be cytological and architecturally resemble a young and more normal healthy skin
Wavelength characteristics
Covers most of the melanin absorption spectrum (>500nm)
Specializes in targeting pigmented lesions

Indications
Textural skin damage: - fine lines - large pores - elastosis - dull skin Photo rejuvenation improve skin texture by a process of collagen remodelling
Pigmentary skin damage:
- solar lentigo (sunspots)
- dyschromia
- mottled pigmentation
- melasma (hormonal changes/ sun damage)
Photo rejuvenation is indicated only for epidermal pigmentary damage and not for dermal Nevi (moles) 
Treatment protocol
Clean & disinfect area/ machine/ piece
Wear gloves & set out protective eye wear
Clean treatment area and cleanse the skin
If hair in the treatment area, shave it
Photograph area
Set parameters
Apply goggles for client & self
If the lesion area is smaller than the tip size the template supplied Should be used to protect the healthy tissue surrounding the lesion
Apply mild pressure to assure full contact
Trigger pulse
Proceed to the next spot, overlapping is not necessary
Two passes on face or hands one pass on neck or chest
Patient is expected to report light stinging sensation
Cool area & refer to post treatment

Immediate tissue response may include the following
Textural: light stinging sensation while pulse is emitted
Pigmented lesion: immediate darkening
Warm sensation, slight erythema
Post treatment
Immediate cooling
Sun protection (spf 30 at least)
No sun exposure, artificial tanning, avoid dirt/ debris
Cleaning and moisturizing the following days
Irritation/ redness will resolve within 24 hours
What could tanning after treatment do?
Tanning after treatment sessions me enhance melanin regeneration which may result in hyper pigmentation
What if adverse effects appear?
Treatment should be discontinued until the treatment site has healed
Return for examination after three weeks 
- if site has healed and results can be observed, select a darker skin type or longer pulse duration and/ or lower Fluence
- if results cannot be observed, client should wait another 2-4 weeks and return for an additional examination
- if no results can be observed during second examination it should be determined if the adverse effects were due to the fact that the patients skin was tanned
- if the adverse effects were not due to tanning, the treatment should be seized until medical condition is further investigated
Treatment schedule
Once a month
Skin rejuvenation consists of 4 to 6 treatments depending on the patient’s needs
Allow skin to heal completely before proceeding to the next treatment
How do you map the face for skin rejuvenation
Divide the face into four separate areas
How to perform SR
Begin on the centre of the forehead working toward the temple without overlapping
Avoid temple area if there is hair in little space
Apply pulse on crows feet then work on orbital bone and on side of nose using the template
Work across cheeks and turn handpiece when you get to the upper lip in order not to singe the lips
Treat jawline and chin and remember to treat the skin with Full Contact always using your hand to manipulate it to cover the sides of the handpiece tip
Treat the neck with one pass avoiding the thyroid in the esophagus
Complete again on other half of face & neck
