Hair Growth Promotion Activity and Its Mechanism of Polygonum multiflorum

Table 3

Comparison between orally and topically administrated groups.

Treatments	Oral		Topical		Oral + topical
	PMR	PMRP	PMR	PMRP	PMR	PMRP
Groups	C	F	H	I	J	K
Average hair length (mm)	10.73	10.35	10.44	10.24	9.86	9.35
Average hair covered skin ratio (%)	96.5%	66.82%	80.73%	89.51%	77.31%	91.59%
Total melanin (OD)	0.0875	0.0835	0.0945	0.0960	0.0950	0.0960
Follicles	13	7	8	10	12	9