Acne is a chronic, inflammatory skin condition. It may cause scars and post-inflammatory hyperpigmentation (PIHP). PIHP frequently affects individuals with a phototype of IV or above.\[1\] PIHP is worsened by UV radiation, lasts for years and impacts the individual well-being.\[2, 3\] In an observational study, 1785 adults with a phototype ranging from IV to VI with acne and PIHP applied daily for 2 months a dermocosmetic and a tainted sunscreen product (DC, Effaclar® Duo (+); SS, Anthelios® Shaka Fluide SPF 50+, SS; both La Roche-Posay Laboratoire Dermatologique, France.
Study Type
OBSERVATIONAL
Enrollment
1,785
Topical application once daily for 2 months
L'Oreal
Dubai, United Arab Emirates
seborrhoea level
visual analog scale scale 0=none to 10= very severe
Time frame: baseline
seborrhoea level
visual analog scale 0=none to 10= very severe
Time frame: Month 2
acne severity
GEA (Global evaluation of acne) scale 0=none to 5=very severe
Time frame: baseline
acne severity
GEA (Global evaluation of acne) scale 0=none to 5=very severe
Time frame: Month 2
PAHPI: post-acne hyperpigmentation index
post-acne hyperpigmentation index from \<3mm to \>10mm
Time frame: baseline
PAHPI: post-acne hyperpigmentation index
post-acne hyperpigmentation index from \<3mm to \>10mm
Time frame: Month 2
inflammatory lesions
lesion count
Time frame: baseline
inflammatory lesions
lesion count
Time frame: Month 2
non-inflammatory lesions
lesion count
Time frame: baseline
non-inflammatory lesions
lesion count
Time frame: Month 2
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Investigator satisfaction acne
visual analog scale from very unsatified=0 to very satisfied=5
Time frame: Month 2
Investigator satisfaction
visual analog scale from very unsatified=0 to very satisfied=5
Time frame: Month 2
Patient satisfaction acne
visual analog scale from very unsatified=0 to very satisfied=5
Time frame: Month 2
Patient satisfaction PAHPI
visual analog scale from very unsatified=0 to very satisfied=5
Time frame: Month 2
Patient: Skin quality
visual analog scale from very unsatified=0 to very satisfied=5
Time frame: Month 2