Determination of penetration and protection of fatty acids in bleached hair according to the fatty acid chain length and the application to understanding the protective effects of MCT oil and coconut oil

Kim, Suhwan; Ahn, Cheunsoon

doi:10.1186/s40691-023-00332-0

Fashion and Textiles

International Journal of Interdisciplinary Research

Table 9 Results of independent t-test on the protective effects of hair groups (α = 0.05)

From: Determination of penetration and protection of fatty acids in bleached hair according to the fatty acid chain length and the application to understanding the protective effects of MCT oil and coconut oil

Comparison	Protection	Group	N	Mean	SE	t	p
MFBH vs. LFBH	\(\Delta E_{{{\text{ab}}}}^{*}\)	MFBH	9	1.8235	0.2782	− 5.542	< 0.001
	\(\Delta E_{{{\text{ab}}}}^{*}\)	LFBH	9	4.2053	0.3277	− 5.542	< 0.001
	ΔTensile strength (MPa)	MFBH	15	40.7667	9.5389	2.055	0.049
	ΔTensile strength (MPa)	LFBH	15	15.0733	8.0832	2.055	0.049
	ΔThickness (mm)	MFBH	30	0.0020	0.0003	2.439	0.018
	ΔThickness (mm)	LFBH	30	0.0011	0.0002	2.439	0.018
	ΔProtein leak (µg/mL)	MFBH	9	− 0.9311	0.1857	− 2.786	0.013
	ΔProtein leak (µg/mL)	LFBH	9	− 0.3640	0.0835	− 2.786	0.013
MCT vs. coconut	\(\Delta E_{{{\text{ab}}}}^{*}\)	MCT	3	1.5015	0.4416	− 2.214	0.091
	\(\Delta E_{{{\text{ab}}}}^{*}\)	Coconut	3	3.9828	1.0320	− 2.214	0.091
	ΔTensile strength (MPa)	MCT	5	51.9400	14.6536	0.392	0.706
	ΔTensile strength (MPa)	Coconut	5	44.3800	12.5725	0.392	0.706
	ΔThickness (mm)	MCT	10	0.0029	0.0006	1.346	0.195
	ΔThickness (mm)	Coconut	10	0.0015	0.0008	1.346	0.195
	ΔProtein leak (µg/mL)	MCT	3	− 0.8400	0.1975	− 1.416	0.230
	ΔProtein leak (µg/mL)	Coconut	3	− 0.5080	0.1265	− 1.416	0.230
MFBH vs. MCT	\(\Delta E_{{{\text{ab}}}}^{*}\)	MFBH	9	1.8235	0.2782	0.588	0.569
	\(\Delta E_{{{\text{ab}}}}^{*}\)	MCT	3	1.5015	0.4416	0.588	0.569
	ΔTensile strength (MPa)	MFBH	15	40.7667	9.5390	− 0.600	0.556
	ΔTensile strength (MPa)	MCT	5	51.9400	14.6536	− 0.600	0.556
	ΔThickness (mm)	MFBH	30	0.0020	0.0003	− 1.371	0.178
	ΔThickness (mm)	MCT	10	0.0029	0.0006	− 1.371	0.178
	ΔProtein leak (µg/mL)	MFBH	9	− 0.9311	0.1857	− 0.262	0.798
	ΔProtein leak (µg/mL)	MCT	3	− 0.8400	0.1975	− 0.262	0.798
MFBH vs. coconut	\(\Delta E_{{{\text{ab}}}}^{*}\)	MFBH	9	1.8235	0.8345	− 2.964	0.014
	\(\Delta E_{{{\text{ab}}}}^{*}\)	Coconut	3	3.9828	1.0302	− 2.964	0.014
	ΔTensile strength (MPa)	MFBH	15	40.7667	9.5390	− 0.199	0.845
	ΔTensile strength (MPa)	Coconut	5	44.3800	12.5725	− 0.199	0.845
	ΔThickness (mm)	MFBH	30	0.0020	0.0003	0.757	0.454
	ΔThickness (mm)	Coconut	10	0.0015	0.0008	0.757	0.454
	ΔProtein leak (µg/mL)	MFBH	9	− 0.9311	0.1857	− 1.250	0.240
	ΔProtein leak (µg/mL)	Coconut	3	− 0.5080	0.1265	− 1.250	0.240
LFBH vs. MCT	\(\Delta E_{{{\text{ab}}}}^{*}\)	LFBH	9	4.2053	0.3277	4.299	0.002
	\(\Delta E_{{{\text{ab}}}}^{*}\)	MCT	3	1.5015	0.4416	4.299	0.002
	ΔTensile strength (MPa)	LFBH	15	15.0733	8.0832	− 2.257	0.037
	ΔTensile strength (MPa)	MCT	5	51.9400	14.6536	− 2.257	0.037
	ΔThickness (mm)	LFBH	30	0.0011	0.0002	− 2.684	0.021
	ΔThickness (mm)	MCT	10	0.0029	0.0006	− 2.684	0.021
	ΔProtein leak (µg/mL)	LFBH	9	− 0.3640	0.0835	2.633	0.025
	ΔProtein leak (µg/mL)	MCT	3	− 0.8400	0.1975	2.633	0.025
LFBH vs. coconut	\(\Delta E_{{{\text{ab}}}}^{*}\)	LFBH	9	4.2053	0.3277	0.281	0.784
	\(\Delta E_{{{\text{ab}}}}^{*}\)	Coconut	3	3.9828	1.0302	0.281	0.784
	ΔTensile strength (MPa)	LFBH	15	15.0733	8.0832	− 1.853	0.080
	ΔTensile strength (MPa)	Coconut	5	44.3800	12.5725	− 1.853	0.080
	ΔThickness (mm)	LFBH	30	0.0011	0.0002	− 0.426	0.679
	ΔThickness (mm)	Coconut	10	0.0015	0.0008	− 0.426	0.679
	ΔProtein leak (µg/mL)	LFBH	9	− 0.3640	0.0835	0.884	0.398
	ΔProtein leak (µg/mL)	Coconut	3	− 0.5080	0.1265	0.884	0.398

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