dermabrasion or anti-aging treatments (creams and tablets) during
the preceding 12 months. Exclusion criteria also comprehended for
patients with active inflammation, infection, cancerous or precancerous
lesions and unhealed wounds of the face region. Patients
with collagen related diseases, alteration of blood clotting (e.g.
hemophilia or on anticoagulant treatment), diabetes as well as
those treated with systemic retinoids within 2 years were excluded.
Volunteer’s eligibility for study participation was determined
on the first visit through a thorough history taking and a
detailed clinical examination. Pregnancy test was done only when
appropriate. At the start of the study volunteers were subjected to
an assessment of wrinkles using Glogau Photo-aging Classification
defined as follows; type I ‘‘no wrinkles,’’ type II ‘‘winkles in motion,’’
type III ‘‘wrinkles at rest’’ and type IV ‘‘only wrinkles’’ as described
in Table 2.
dermabrasion or anti-aging treatments (creams and tablets) during
the preceding 12 months. Exclusion criteria also comprehended for
patients with active inflammation, infection, cancerous or precancerous
lesions and unhealed wounds of the face region. Patients
with collagen related diseases, alteration of blood clotting (e.g.
hemophilia or on anticoagulant treatment), diabetes as well as
those treated with systemic retinoids within 2 years were excluded.
Volunteer’s eligibility for study participation was determined
on the first visit through a thorough history taking and a
detailed clinical examination. Pregnancy test was done only when
appropriate. At the start of the study volunteers were subjected to
an assessment of wrinkles using Glogau Photo-aging Classification
defined as follows; type I ‘‘no wrinkles,’’ type II ‘‘winkles in motion,’’
type III ‘‘wrinkles at rest’’ and type IV ‘‘only wrinkles’’ as described
in Table 2.
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