Sierra Cosmetics
The Future of Bio-Cosmetics
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We Re-Invented Cosmetics using Modern Science to Create our BioManufacturing Process to Nourish and Beautify
Discover the power of premium handcrafted, non-toxic, non-carcinogenic and non-comedogenic cosmetics that utilize probiotic nutrients to nourish, soothe and restore your skin health. Treat yourself to our luxurious products and enjoy 20% off on orders over $200 after your first purchase on Etsy or Amazon, and receive your coupon code in your order delivery box.
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Welcome to the official educational website of Sierra Cosmetics! Here, you can explore the fascinating world of Probiotic Bio-Cosmetics and discover how Kefir Nutrients and BioActive Metabolites can significantly contribute to healthier skin. Learn more about the science behind the art! We manufacture Bio-Cosmetics with these incredible compounds, and we will show you how they can enhance your skincare routine. Join us on this journey to healthier, radiant and rejuvenated skin!
Experience the luxury of our premium handcrafted bio-cosmetics, available for purchase online. Indulge in high-quality ingredients and formulations that enhance your natural beauty. Shop now and elevate your skincare routine with our exquisite products!
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Carlos A. Sierra CEO and Founder is the inventor of Sierra Cosmetics bio-manufacturing process and apparatus with his innovative idea to isolate and sterilize Kefir Whey Nutrients and BioActive Metabolites and to increase the values with precursors with secondary fermentation cycles and to use it as a cosmetics ingredient in cosmetics formulations on July 20th 2024 in NC USA, whom is the first person ever in Earths history to successfully formulate with isolated and sterilized Kefir Whey Nutrients and BioActive Metabolites with our very first topical "God's Lotion" in which he re-invents the lotion, and with his theory "this lotion is to help improve skin conditions like Eczema, Psoriasis, Acne, Dermatitis and to condition the skin while providing a very good anti-aging effect for all humans".
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Our Biotechnology in Cosmetics is simple, we use probiotics and fermentable foods to create nutrients for our haircare and skincare bio-cosmetics. We also control the amount of Protein derived BioActive Metabolites and Sugar derived BioActive Metabolites by adding the appropriate amounts of precursors needed in each fermentation cycle. Backed by science! Our probiotics have decades of scientific research and are all conclusive that the nutrients made are extremely necessary for human health. Our technology allows us to ferment thousands of gallons of Kefir whey, then isolate it and sterilize it, to commercialize the whey nutrients, and label the Kefir whey as a cosmeceutical ingredient for every cosmetics formulation.

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Research Articles from Reputable Government and Scientific Sites
1. What are Bio-Cosmetics Full Article Here:
https://pmc.ncbi.nlm.nih.gov/articles/PMC8616574/
2. What is Kefir Symbiotic Full Article Here:
https://pmc.ncbi.nlm.nih.gov/articles/PMC4854945/
3. What are the Kefir Nutrients Health Benefits Full Article Here:
https://pmc.ncbi.nlm.nih.gov/articles/PMC7071183/
4. What are Kefir BioActive Metabolites Full Article Here:
https://pmc.ncbi.nlm.nih.gov/articles/PMC8566050/
5. What Free Amino Acids are in Kefir Full Article Here:
https://pmc.ncbi.nlm.nih.gov/articles/PMC7269609/
6. What increases Kefir nutrients Full Article Here:
https://www.mdpi.com/2311-5637/6/3/83
7. L-tyrosine, L-phenylalanine, L-isoleucine aminos highly increased, and others in Kefir, these 3 main aminos are used for skin Collagen and Elastin production, plus 767 BioActive Metabolites, Full Article Here:
https://www.sciencedirect.com/science/article/pii/S0023643823000804
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Premium handcrafted cosmetics can play a vital role in achieving healthy skin and a flawless complexion. By using products that nourish and protect, you can smooth blemishes, diminish sun marks, and promote even skin tone. Investing in quality cosmetics not only enhances your natural beauty but also supports your skin's health in the long run. Embrace the power of BioActive Metabolites in every formulation with Sierra Cosmetics for radiant, even toned, revitalized skin!

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At Sierra Cosmetics, we believe that beauty knows no boundaries. Our cosmetics are thoughtfully formulated to cater to all ethnicities and skin tones, ensuring that everyone can find their perfect match. We focus on the skin's condition, using high-quality ingredients that nourish and protect. Embrace your unique beauty with products designed for you, promoting a radiant and healthy complexion for all.

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Damaged skin by environmental factors, dysbiosis by pathogenic bacteria and yeast or lack of skin nutrition and conditioning can significantly impact a person's skin and confidence over time, leading to issues such as premature aging, dark spots, and uneven texture, acne, dermatitis, eczema and rosacea. If not addressed, these types of skin conditions can worsen, resulting in diminished skin health and increased self-consciousness which can affect mental health. Utilizing premium bio-cosmetics with BioActive Metabolites can help combat these signs by providing advanced ingredients that hydrate(condition), repair, and protect the skin.

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Bioactive Metabolite facial serums are an excellent addition to your skincare routine, especially when used before applying a premium lotion or makeup. These serums are designed to penetrate deeply into the skin, delivering essential nutrients and boosting hydration levels By using a bioactive serum first, you create a smooth and well-pre canvas, allowing your lotion or makeup to apply more evenly and last longer throughout the day. Incorporating this step will enhance your overall skincare regimen and elevate your makeup application to the next level.

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Incorporating facial restorative serums and a high-quality face and body lotion with nutrients into your daily anti-aging routine can make a noticeable difference in your skin appearance to boost confidence. Our Fragrance free line "BioActive Cosmetics" has double the precursor sugars, double the fermentation, double the formulation amount which produces a highly concentrated skincare lotion for our customers that need immediate anti-aging and skin relief of certain conditions.

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Our mens line "Beard Bros" is where we take care of and guide every man’s grooming journey! Whether you choose to maintain or shave your beard, we’ve got you covered with our premium handcrafted cosmetics. Explore our range of beard oils, washes, shaving creams, and aftershaves, all infused with the finest fragrances. Backed by bio-manufacturing technology, our skincare products deliver essential nutrients, ensuring your skin gets the care it deserves.




