Ingredients

Research notes on actives, humectants, and barrier helpers used in formulas we carry.

Ashwagandha

Ashwagandha is an herb studied for stress and sleep. Some preparations show short-term benefits, but the evidence and safety profile do not justify promises of hormone balance, anxiety treatment, or unlimited long-term use.

Azelaic Acid: Acne, Uneven Tone, and Formula Differences

Azelaic acid is used in topical treatments for acne and, in certain prescription formulations, rosacea. It can also help with dark marks left after acne, but a cosmetic blend is not automatically equivalent to a prescription medicine.

Biotin: Hair and Nail Claims, Intake, and Lab-Test Safety

Biotin is vitamin B7, a nutrient involved in normal metabolism. Deficiency can affect hair and skin, but evidence that extra biotin improves hair or nails in people without deficiency is limited.

Calcium

Calcium supports bones and teeth as well as normal muscle and nerve function. A supplement can fill a dietary shortfall; taking more than you need is not a shortcut to stronger bones.

Centella Asiatica (Cica): Soothing Care and Evidence Limits

Centella asiatica, often called cica, is a plant extract used in skincare for moisturizing and soothing care. Early human research supports some barrier and hydration benefits, but products and extracts differ substantially.

Ceramides: Moisture Barrier Support and Choosing a Cream

Ceramides are lipids found naturally in the outer skin layer and used in moisturizers to support the moisture barrier. A well-formulated ceramide cream can help dry skin retain moisture and feel more comfortable.

Collagen Supplements: Skin Benefits, Evidence, and Labels

Collagen supplements provide animal-derived proteins or peptides marketed for skin and connective tissue support. Some trials report skin hydration or elasticity benefits, but study quality and funding concerns make the size and reliability of those benefits uncertain.

CoQ10

CoQ10 is a substance the body makes and uses in cellular energy processes. Supplements are available alone or in blends, but evidence does not support broad promises that they prevent heart disease or reliably relieve statin-related muscle pain.

Creatine

Creatine helps muscles replenish energy for repeated, high-intensity efforts. Creatine monohydrate has strong evidence for improving strength and power alongside training, but it is not a substitute for exercise or a complete protein.

Glycolic Acid (AHA): Texture, Dullness, and Safe Use

Glycolic acid is an alpha hydroxy acid that exfoliates the skin surface to improve the look of rough texture and dullness. Its effects and irritation risk depend on concentration, pH, contact time, and the rest of the formula.

Hyaluronic Acid: Hydration, Layering, and What to Expect

Hyaluronic acid is a water-binding ingredient that helps hydrate the skin surface and temporarily softens the look of dehydration lines. A topical serum does not produce the volume or duration of an injectable filler.

Lactic Acid: Exfoliation, Moisture, and Choosing a Product

Lactic acid is an alpha hydroxy acid used to smooth rough skin and improve surface texture. Some formulas also support hydration, but the ingredient can still sting and irritate sensitive skin.

Magnesium

Magnesium supports normal muscle and nerve function, energy production, and bone health. A supplement can help fill an intake gap, but it is not a guaranteed solution for insomnia, cramps, or fatigue.

Multivitamins

Multivitamins combine several vitamins and sometimes minerals to help fill nutritional gaps. They are a supplement category rather than a single ingredient, and formulas vary widely in nutrients, amounts, and serving size.

Niacinamide: Benefits, Uses, and Choosing a Formula

Niacinamide is a form of vitamin B3 used in skincare to support the moisture barrier and improve the appearance of uneven tone. Some formulas may also help with visible oiliness and blotchiness.

Omega-3 (EPA/DHA): Benefits, Labels, and Supplement Cautions

EPA and DHA are omega-3 fats found in fish, seafood, and some algae-derived supplements. They have important roles in cell membranes, but taking a supplement does not guarantee clearer skin or prevention of heart disease.

Oral Niacinamide: Nutritional Roles and Skin-Health Limits

Oral niacinamide, also called nicotinamide, is a form of vitamin B3. Its nutritional role and clinician-supervised uses differ from applying a niacinamide serum, and high-dose tablets are not a general beauty recommendation.

Peptides in Skincare: Benefits, Evidence, and Formula Choices

Peptides are short chains of amino acids used in skincare for purposes such as improving the appearance of fine lines. Evidence varies by peptide and formula, so one product's results do not apply to every peptide serum.

Probiotics

Probiotics are live microorganisms that can provide a health benefit in adequate amounts. Their effects depend on the strain, dose, and reason for use; a larger CFU count does not automatically make a product better.

Retinol: Benefits, Starting Slowly, and Safety

Retinol is a vitamin A derivative used to improve the appearance of fine lines, uneven texture, and pigmentation. It can irritate skin, so a low-strength product introduced gradually is often the practical starting point.

Salicylic Acid (BHA): Acne, Pores, and How to Use It

Salicylic acid is a beta hydroxy acid used in acne products to exfoliate skin and help unclog pores. It can help with blackheads and whiteheads, but excess use can leave skin dry and irritated.

Tranexamic Acid for Skin: Dark Spots, Use, and Limits

Topical tranexamic acid is used in skincare aimed at uneven pigmentation and dark spots. Research is promising but mixed, and a cosmetic serum does not replace diagnosis or a treatment plan for melasma.

Vitamin C (Oral)

Oral vitamin C is an essential nutrient needed for collagen formation, antioxidant activity, and normal immune function. Supplements can fill a dietary gap, but extra vitamin C does not guarantee brighter skin or prevent every cold.

Vitamin C for Skin: Benefits, Forms, and Daily Use

Topical vitamin C is used for antioxidant support and to improve the look of uneven tone and signs of aging. Results depend on the vitamin C form and finished formula, and it does not replace sunscreen.

Vitamin D3: Bone Health, Intake, and Supplement Safety

Vitamin D3 is a form of vitamin D that helps the body absorb calcium and supports bone health. Supplements can address inadequate intake or deficiency, but the right amount depends on age, diet, health, and clinical advice.

Zinc: Nutritional Needs, Skin Claims, and Excess Intake

Zinc is an essential mineral involved in normal immune function and tissue repair. Correcting deficiency matters, but taking extra zinc is not a guaranteed treatment for acne or a shortcut to healthier skin.