25th Mercantile began with a simple goal: to create skincare using traditional, effective ingredients without unnecessary complexity.
Working in small batches out of Lancaster, Ohio, each product is crafted with care using tallow, plant oils, and thoughtfully selected additions.
Our approach is rooted in simplicity, quality, and respect for time-tested methods.
We focus on a small number of ingredients that have been used and trusted for generations.
Why We Use Magnesium + Vitamin C
We avoid unnecessary fillers and focus on what the skin actually needs.
Our magnesium formulations are designed to support healthy, balanced skin using a gentler approach to vitamin C care.
Instead of harsh or highly acidic forms of vitamin C, we use Magnesium Ascorbyl Phosphate (MAP)—a stable, skin-friendly form that helps brighten and support the skin without the irritation commonly associated with traditional vitamin C products.
Combined with magnesium hydroxide and nourishing tallow-based ingredients, this blend helps support hydration, skin texture, and overall skin appearance while remaining gentle enough for sensitive skin types.
Gentle Vitamin C Support
Magnesium Ascorbyl Phosphate is a more stable form of vitamin C that helps support brighter, healthier-looking skin without the stinging or sensitivity often associated with traditional vitamin C products.
Supports a Brighter, More Even Appearance
This combination helps support a more balanced-looking complexion and may help improve the appearance of uneven tone and post-blemish discoloration over time.
Helps Maintain Firm, Healthy-Looking Skin
Vitamin C is known for its role in supporting collagen production, helping skin appear smoother, firmer, and more refreshed.
Balanced & Comfortable for Sensitive Skin
Unlike many acidic vitamin C products, this formulation is designed to be gentler on the skin barrier, helping reduce the likelihood of dryness or irritation.
Supports the Skin Barrier
Tallow, magnesium, and supportive lipids work together to help maintain moisture and support the skin’s natural protective barrier.
131 North Columbus St , Lancaster, OH, United States, Ohio

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