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Senna Tea Side Effects, and When to Stop
The common side effects are mild. The risks that matter are fluid loss, low potassium and dependence. Who should avoid senna, and which medicines...
Ingredient guides, buyer answers and export know-how
The herbal export knowledge hub
Written by our export desk for importers, supplement brands and traders sourcing botanical ingredients from India. What each ingredient does, how it is graded, minimum orders, documentation, and country by country demand.
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Blog
Senna Tea: What It Does, and What It Does Not
Senna tea is a laxative in a teabag. Why steeping time is the real dose control, why the weight loss claim fails, and what...
Blog
Senna for Constipation: How It Works and How Long to Use It
How senna works, why it takes 6 to 12 hours, who should not take it, why two weeks is the limit, and where it...
Blog
Senna Leaves: What They Are Actually Good For
Senna has one well supported use, and it is not the one most articles lead with. What the evidence supports, what it does not,...
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How to Use Indigo Powder for Hair
Indigo is handled the opposite way to henna: mixed fresh, warm water, no acid, used within fifteen minutes. How to apply and store it,...
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Henna and Indigo for Black Hair: The Two-Step Method
Henna first, indigo second. The sequence, the timings, the ratios for a one-mix version, and what to do when the result comes out green...
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Chemical Free Hair Dye Does Not Exist. Here Is What People Mean
Everything is a chemical, so the phrase is meaningless. What shoppers actually want to avoid, which claims survive a regulator, and how to prove...
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Natural Black Hair Dye: What Actually Works
Henna then indigo is the only plant combination that reliably gets to black. What coffee, walnut and amla really do, and why black henna...
Blog
How Long Does Henna Last on Hair?
Henna is permanent and does not wash out. Why it looks fresh for four to six weeks, why dark shades fade sooner, and what...
Blog
Henna for Hair: What It Actually Does, and What It Does Not
Henna stains permanently, coats the strand for thickness and shine, and uses no ammonia or peroxide. What it does, what it cannot do, and...
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Does Henna Cover Grey Hair? What to Expect
Henna alone turns grey copper, not brown. The two-step method that covers grey properly, with timings, shade control and the three things that decide...
Blog
PPD Free Hair Dye: What It Means and What Actually Works
What PPD is, why people avoid it, and how henna and indigo colour hair without it. Plus the adulteration problem, and how to check...
Sourcing Guides
Indigo for Natural Hair Colour: The Two-Step Method, Explained for Brands
Indigo cannot work alone. How henna then indigo produces brown and black, the indigotin figure that separates good material from filler, and the two...
What Henna Actually Does to Hair, for Brands Building a Colour Line
How lawsone binds to keratin, why henna cannot lighten hair, the strength figures that predict performance, and what to ask a supplier before you...
Blog
Private Label Henna Powder Manufacturer: How Brands Source BAQ, Organic and Two-Step Lines from Sojat
How hair colour and cosmetics brands source private label henna powder from a Sojat manufacturer: grades, PPD-absent documentation, henna plus indigo two-step kits, MOQ...
Blog
Senna Leaves and Pods for US Importers: Grades, Documents and Bulk Supply
Wholesale senna leaf TBC and senna pods C&S for US importers: cut grades explained, sennoside specs, FDA prior notice and FSVP documentation, MOQ and...
Sourcing Guides
Bulk Amla Powder and Extract: A Buyer’s Sourcing Guide
How to source bulk amla (Indian gooseberry) powder and extract from India: the vitamin C question, grades, standardisation, COA and the forms buyers order.
Sourcing Guides
Bulk Turmeric and Curcumin Extract: A Buyer’s Sourcing Guide
How to source bulk turmeric and standardised curcumin extract from India: grades, the curcumin question, COA, certifications and the forms buyers actually order.
Sourcing Guides
Indigo Powder for Natural Dye and Textile Buyers: A Sourcing Guide
How natural-dye studios, craft suppliers and textile producers source bulk indigo powder from India: indigotin grades, natural vs synthetic, what to specify, MOQ and...
Sourcing Guides
Henna Powder Bulk Price Guide: Sojat Origin, 2026
What bulk henna powder costs from Sojat in 2026: our published listing range, why Sojat origin matters, and the factors that separate a fair...
Sourcing Guides
BAQ Henna vs Regular Henna Powder: The Specs That Matter for Importers
Body-art quality is a market term, not a legal grade. What separates BAQ from regular henna powder in sieve mesh, lawsone and additives, and...
Sourcing Guides
Senna Leaves vs Senna Pods: Which Should You Buy in Bulk?
Leaves and pods come off the same Cassia angustifolia plant but behave differently in a formulation, a price sheet and a container. A decision...
Sourcing Guides
Senna Leaves Price per Kg: What Bulk Buyers Should Expect (2026)
What senna leaves actually cost per kg in bulk from India in 2026: our published listing range, the difference between ex-works, FOB and CIF,...
Market Guides
Sourcing Natural Indigo Powder for EU and US Brands: Specs and Compliance
What EU and US hair-care brands need when sourcing natural indigo powder from India: quality markers, the cosmetics frameworks that apply (EU 1223/2009, US...