Compass Laboratory Blog

What Does USP Grade Mean? USP vs. Lab vs. Techn...

What "USP grade" means, how it compares with ACS, lab and technical grades, and what to check before you buy.

What Does USP Grade Mean? USP vs. Lab vs. Techn...

What "USP grade" means, how it compares with ACS, lab and technical grades, and what to check before you buy.

How to Read a Certificate of Analysis (COA)

What a Certificate of Analysis is, what each section means, and how to match your bottle's lot number to its COA.

How to Read a Certificate of Analysis (COA)

What a Certificate of Analysis is, what each section means, and how to match your bottle's lot number to its COA.

Propylene Glycol vs. Vegetable Glycerin: Differences, Grades & Uses

Propylene Glycol vs. Vegetable Glycerin: Differ...

How propylene glycol and vegetable glycerin differ in viscosity, sourcing, and common uses in soaps, lotions, and DIY formulas, plus what USP grade means.

Propylene Glycol vs. Vegetable Glycerin: Differ...

How propylene glycol and vegetable glycerin differ in viscosity, sourcing, and common uses in soaps, lotions, and DIY formulas, plus what USP grade means.

Liquid Iodine Drops: What Iodine Does and How to Choose a Supplement

Liquid Iodine Drops: What Iodine Does and How t...

Iodine is an essential mineral that supports normal thyroid function.* Learn about daily values, potassium iodide, and how to choose a quality liquid iodine supplement.

Liquid Iodine Drops: What Iodine Does and How t...

Iodine is an essential mineral that supports normal thyroid function.* Learn about daily values, potassium iodide, and how to choose a quality liquid iodine supplement.

Vegetable Glycerin Uses: Skincare, Soap Making & DIY Formulas

Vegetable Glycerin Uses: Skincare, Soap Making ...

How vegetable glycerin works as a humectant and solvent in lotions, soaps, hair care, and DIY personal care formulas, plus storage and handling tips.

Vegetable Glycerin Uses: Skincare, Soap Making ...

How vegetable glycerin works as a humectant and solvent in lotions, soaps, hair care, and DIY personal care formulas, plus storage and handling tips.

Welcome to the Compass Laboratory Blog

Welcome to the Compass Laboratory Blog

Product guides, quality standards, and how-to articles from Compass Laboratory, a family-run, lot-tracked manufacturer in Mena, Arkansas.

2 comments

Welcome to the Compass Laboratory Blog

Product guides, quality standards, and how-to articles from Compass Laboratory, a family-run, lot-tracked manufacturer in Mena, Arkansas.

2 comments