v3.25.2
Cover - shares
6 Months Ended
Sep. 30, 2021
Jul. 30, 2025
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Sep. 30, 2021  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2022  
Current Fiscal Year End Date --03-31  
Entity File Number 333-205822  
Entity Registrant Name SEGUIN NATURAL HAIR PRODUCTS, INC.  
Entity Central Index Key 0001642363  
Entity Tax Identification Number 35-7654530  
Entity Incorporation, State or Country Code NV  
Entity Address, Address Line One 50 Yorkville Ave  
Entity Address, Address Line Two Suite 2803  
Entity Address, City or Town Toronto  
Entity Address, State or Province ON  
Entity Address, Country CA  
Entity Address, Postal Zip Code M4W 0A3  
City Area Code 647  
Local Phone Number 271-4226  
Entity Current Reporting Status No  
Entity Interactive Data Current No  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Elected Not To Use the Extended Transition Period true  
Entity Shell Company true  
Entity Common Stock, Shares Outstanding   16,843,878