Findings

What do systematic reviews say?

1,133 questions · 1,153 findings · 36 reviews · Skin

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No studies found 407 · 35.3%GRADE not reported 90 · 7.8%Very low 183 · 15.9%Low 209 · 18.1%Moderate 211 · 18.3%High 53 · 4.6%

Low‐level laser comb vs Placebo (sham/placebo device)

Change in quality of life ‐ not measured · women with FPHL

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Low‐level laser comb vs Placebo (sham/placebo device)

Adverse events · women with FPHL

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 141 participants
Low

Low‐level laser comb vs Placebo (sham/placebo device)

Participants with investigator‐rated clinically significant hair regrowth ‐ not measured · women with FPHL

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Low‐level laser comb vs Placebo (sham/placebo device)

Change from baseline to study conclusion in total hair count · women with FPHL

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 122 participants
Low

Minoxidil vs placebo

Adverse events · women with FPHL

Minoxidil showed no clear difference in adverse events compared with placebo (low certainty).

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
RR 1.24 [0.82, 1.87]
4 studies · 727 participants
Low

Low‐level laser comb vs Placebo (sham/placebo device)

Degree of hair shedding from baseline to the end of the study · women with FPHL

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Low‐level laser comb vs Placebo (sham/placebo device)

Cosmetic appearance of the hair or participant satisfaction · women with FPHL

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 141 participants
Moderate

Low‐level laser comb vs Placebo (sham/placebo device)

Change in quality (or pattern) of hair regrowth (e.g. thickness) ‐ not measured · women with FPHL

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Minoxidil vs placebo

Proportion of participants with investigator‐rated clinically significant hair regrowth · women with FPHL

Minoxidil probably leads to higher proportion of participants with investigator‐rated clinically… compared with placebo (moderate certainty).

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
RR 2.35 [1.68, 3.28]
7 studies · 1181 participants
Moderate

Minoxidil vs placebo

Change from baseline to study conclusion in total hair count · women with FPHL

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
no estimate extracted
8 studies · 1242 participants
Low

Minoxidil vs placebo

Degree of hair shedding from baseline to the end of the study · women with FPHL

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 380 participants
Very low

Minoxidil vs placebo

Cosmetic appearance of the hair or participant satisfaction · women with FPHL

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
no estimate extracted
1 study · 260 participants
Low

Minoxidil vs placebo

Change in quality (or pattern) of hair regrowth (e.g. thickness) · women with FPHL

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 372 participants
Low

Minoxidil 2% vs minoxidil 5%

Proportion of participants with self‐rated clinically significant hair regrowth · women with FPHL

1 finding from 1 review

Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 322 participants
Low

Fractional laser vs non‐fractional non‐ablative laser

Participant‐reported scar improvement (long‐term) · people with acne scars

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for acne scars 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Fractional laser vs radiofrequency

Participant‐assessed adverse events (short‐term) · people with acne scars

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for acne scars 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Fractional laser vs radiofrequency

Participant satisfaction · people with acne scars

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for acne scars 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Fractional laser vs radiofrequency

Quality of life · people with acne scars

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for acne scars 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Fractional laser vs combined chemical peeling plus needling

Participant‐reported scar improvement (long‐term) · people with acne scars

It is very uncertain whether fractional laser changes participant‐reported scar improvement (long‐term) N of participants… compared with combined chemical peeling plus needling (very low certainty).

1 finding from 1 review

Interventions for acne scars 2016 · Cochrane Headline outcomes only
RR 1 [0.6, 1.67]
1 study · 26 participants
Very low

Fractional laser vs combined chemical peeling plus needling

Participant‐reported scar improvement (short‐term) · people with acne scars

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for acne scars 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found