Our Process

How every Tau Tau Skin product gets made — from raw ingredient to hand-poured tin

Every Tau Tau Skin product follows the same process: source the cleanest possible ingredients, verify their quality, formulate in small batches, hand-pour each product, and refuse synthetic shortcuts. There is no factory automation. There are no contract manufacturers. Joe and Jen Popovich personally make every batch in Arizona.

1. Sourcing

Every ingredient is selected individually based on what produces the cleanest, most bioavailable form available — not on what's cheapest or easiest to source.

• Tallow — exclusively from grass-fed, grass-finished cattle. No feedlots, no grain-finishing.
• Honey — raw, unfiltered, certified organic. Never heated above body temperature.
• Beeswax — certified organic, from beekeepers who don't treat hives with synthetic miticides or antibiotics.
• Jojoba oil — cold-pressed.
• Olive oil — organic, cold-pressed extra virgin.
• Lanolin — cruelty-free, sourced from New Zealand.
• Bakuchiol, rosehip seed oil, pomegranate seed oil, castor oil — all organic and cold-pressed where applicable, to preserve the active compounds that make them work.

2. Quality verification 

While we don't operate an in-house testing lab, we source exclusively from suppliers who provide Certificates of Analysis (COAs) for every batch. That documentation covers:

• Peroxide values — measures oxidation and freshness. Rancid oils oxidize the skin; we reject anything outside spec.
• Heavy metals — lead, mercury, arsenic, cadmium. Tested at parts-per-million sensitivity.
• Microbiological testing — confirms the absence of bacteria, yeast, mold, and pathogens.
• Ingredient-specific markers — fatty acid profiles for tallow, polyphenol content for olive oil, ricinoleic acid concentration for castor oil, vitamin A levels for rosehip, and so on.

What this means in practice: every ingredient that enters a Tau Tau Skin formulation has already been independently tested by an accredited lab. We see the data before it touches a finished product. If a batch doesn't meet specification, it doesn't get used.

This is the same testing standard applied to food-grade ingredients, which is appropriate — every ingredient in a Tau Tau Skin product is, by design, food-grade.

3. Formulation

Joe formulates every product in small batches. Recipes are kept short, simple, and food-grade — typically 4 to 7 ingredients, all of which you could pronounce and most of which you could eat. Nothing is added for marketing. Nothing is added because the industry assumes you need it. If an ingredient doesn't make the formula meaningfully better for skin, it doesn't go in.

4. Hand-pouring

Every product is hand-poured into its tin in Arizona by Joe and Jen. No assembly line. No fill machines. No outside production. Each batch is small enough that the founders personally handle every product before it ships. This is slower than industrial production by orders of magnitude — and it is the only way to maintain the quality standards we hold ourselves to.

5. Quality standards

Tau Tau Skin products are anhydrous (water-free) and self-preserving. Because there is no water in our formulas, there is no need for synthetic preservatives — water is what makes preservatives necessary in conventional skincare. Beeswax, honey's natural antimicrobial properties, and the inherent stability of lipid-based formulations keep our products shelf-stable for 12+ months without parabens, phenoxyethanol, or formaldehyde-releasers.

What is NOT in our products

• Synthetic preservatives (parabens, phenoxyethanol, formaldehyde-releasers, etc.)
• Water
• Alcohol
• Synthetic fragrance or phthalates
• Seed oils (sunflower, soybean, canola, etc.)
• Known or suspected endocrine disruptors
• Petroleum, mineral oil, or paraffin
• PEG compounds, sulfates, silicones
• Artificial colors or dyes

Why this process matters for your skin

Conventional skincare is engineered around a fundamental compromise: water-based formulations are cheap to mass-produce, but require synthetic preservatives, emulsifiers, fragrances, and stabilizers to remain shelf-stable and feel pleasant. Each of those additions can disrupt the skin barrier, trigger reactivity, or contribute to long-term endocrine load. The result is moisturizers that feel good in the short term and degrade skin function over months and years.

Tau Tau Skin's approach inverts this. By starting with anhydrous, food-grade, lipid-based formulations — every batch independently tested for purity — we eliminate the need for the chemical scaffolding that makes conventional skincare what it is. The result is products that work with your skin's natural biology rather than against it.

Read more: Our story · Joe Popovich · Jen Popovich