Ingredients
Hydroquinone is a skin-lightening agent that inhibits melanin production by targeting the enzyme tyrosinase, effectively reducing hyperpigmentation such as melasma and age spots. It is widely used in dermatology for its efficacy in evening out skin tone, typically in concentrations of 2% to 4%. While effective, hydroquinone carries moderate health risks including skin irritation and rare cases of ochronosis, necessitating careful use under professional guidance and concurrent sun protection.
Hydroxyapatite is a naturally occurring mineral form of calcium apatite essential for bone and teeth strength. It supports bone density, aids in dental enamel repair, and plays a key role in skeletal health and regeneration. Generally safe, it should be used with caution in individuals with kidney issues or calcium metabolism disorders.
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer is a synthetic polymer used primarily as a thickening agent, stabilizer, and emulsifier in skincare and cosmetic products. It enhances product texture, stability, and the delivery of active ingredients while supporting skin hydration by forming a breathable film that reduces water loss. Generally safe for topical use, it has a low risk of irritation and is suitable for sensitive and acne-prone skin types.
Hydroxyethylcellulose (HEC) is a water-soluble polymer derived from cellulose, widely used as a thickening agent, stabilizer, and film former in pharmaceuticals, cosmetics, and food products. It enhances product texture, stability, and controlled release of active ingredients, supporting skin hydration and consistent dosing in oral formulations. Generally recognized as safe and non-irritating, HEC may rarely cause mild irritation or allergies in sensitive individuals.
Hydroxylysine is a modified amino acid crucial for collagen stability and connective tissue health. It supports wound healing, tissue repair, and may enhance recovery from injuries while promoting skin elasticity and joint resilience. Generally safe from dietary sources, caution is advised for those on blood thinners or with collagen allergies.
Hydroxypinacolone Retinoate (HPR) is a next-generation retinoid that directly binds to retinoic acid receptors, promoting skin cell turnover and collagen production with reduced irritation compared to traditional retinoids. It improves skin texture, tone, and resilience while being suitable for sensitive skin types. Users should apply it gradually, use sunscreen daily, and avoid use during pregnancy due to potential risks.
Hydroxypropyl Cellulose (HPC) is a versatile soluble fiber used as a thickening agent and dietary supplement that supports digestive health, weight management, and gut microbiome balance. It forms a gel in the digestive tract to slow nutrient absorption, enhance satiety, and promote beneficial gut bacteria growth. Generally safe with low risk, it may cause mild gastrointestinal discomfort initially and should be introduced gradually with adequate hydration.
Hydroxypropyl Methylcellulose (HPMC) is a versatile soluble fiber derived from cellulose, widely used as a thickener, emulsifier, and stabilizer in foods, and as a controlled-release agent in drug delivery. It supports digestive health by promoting regularity and alleviating constipation, aids weight management by enhancing satiety and stabilizing blood sugar levels, and may positively influence gut microbiota. Generally safe, it may cause mild gastrointestinal discomfort and requires adequate hydration during use.
Hydroxy Propyl Methylcellulose (HPMC) is a chemically modified cellulose derivative used primarily as a controlled-release agent, stabilizer, and dietary fiber supplement. It forms a gel-like matrix in the digestive tract that slows nutrient absorption, helping to stabilize blood sugar and cholesterol levels while promoting gut health through prebiotic effects. Generally safe, HPMC may cause mild digestive discomfort and can interact with medication absorption, so consultation with healthcare providers is recommended for those on prescription drugs.
Hydroxypropyl Methylcellulose (HPMC) is a chemically modified cellulose derivative used primarily as a controlled-release agent in pharmaceuticals and as a soluble dietary fiber supplement. It forms gels that slow nutrient absorption, helping to stabilize blood sugar and cholesterol levels, promote satiety, and support gut health. Generally safe with low risk, it may cause mild digestive side effects and can interact with medication absorption, so timing and consultation with healthcare providers are advised.
Hydroxypropyl Methyl Cellulose (HPMC) is a plant-derived polymer used as a vegetarian alternative to gelatin in capsules. It enhances nutrient bioavailability by forming a gel-like consistency that allows controlled release and protection of active ingredients in the gastrointestinal tract. HPMC capsules support digestive health, may aid in weight management, and are generally safe with low risk of mild gastrointestinal side effects.
Hypo-Allergenic Plant Cellulose is a plant-derived dietary fiber used as a hypoallergenic excipient in supplements and pharmaceuticals. It supports digestive health by promoting gut microbiome balance and regular bowel movements, while also enabling controlled release of active compounds for steady nutrient absorption. Its inert nature minimizes allergic reactions, making it suitable for sensitive individuals, though gradual intake increase and hydration are advised to avoid mild digestive discomfort.
Hypromellose is a cellulose derivative widely used as a thickening agent, film-former, and lubricant in pharmaceuticals, food, and cosmetics. It is especially valued in eye care for relieving dryness and irritation, and in supplements for enhancing ingredient delivery and absorption. Generally safe, it may cause mild irritation in sensitive individuals and should be used with caution in specific health conditions.
Hypromellose capsule is a plant-based, vegetarian alternative to gelatin capsules commonly used in dietary supplements and pharmaceuticals. It acts as a thickening and stabilizing agent that forms a gel in the gastrointestinal tract, aiding in controlled release of nutrients and medications, appetite suppression, and improved gut health. Generally safe with minimal side effects, it may interact with certain medications and cause mild digestive discomfort in some individuals.
Hypromellose is a plant-based cellulose derivative used primarily as a vegetarian alternative to gelatin in capsules. It acts as a thickening and emulsifying agent, promoting controlled nutrient release and supporting digestive health by functioning as a soluble fiber. Generally safe with a low risk profile, it may cause mild gastrointestinal discomfort in some and should be used cautiously with certain medications.
Hypromellose, derived from cellulose, is a plant-based hydrophilic polymer widely used for its thickening and moisture-retaining properties. It supports digestive health by promoting bowel regularity and easing constipation, and it is also effective in eye care products to relieve dryness and irritation. Generally safe with a low risk profile, hypromellose offers natural benefits for gut and eye health, though mild side effects and interactions may occur in sensitive users.
Hypromellose (HPMC) is a plant-derived cellulose polymer used as a vegan-friendly, hypoallergenic capsule material in supplements and pharmaceuticals. It offers controlled dissolution and moisture resistance, enhancing the stability and bioavailability of encapsulated nutrients or drugs. HPMC capsules support diverse dietary needs and improve supplement efficacy by enabling targeted, gradual release of active ingredients.
Hypromellose is a plant-based cellulose derivative used primarily as a vegetarian capsule material, offering a stable and digestible alternative to gelatin. It functions as a hydrophilic polymer that controls the release of active ingredients, enhancing nutrient bioavailability and protecting sensitive compounds from degradation. Generally well-tolerated and free from common allergens, hypromellose supports improved digestion and nutrient absorption, making it ideal for those with dietary restrictions or sensitivities.
Hypromellose is a plant-based polymer used primarily in vegetarian capsules as a stabilizer, thickener, and emulsifier. It enhances nutrient bioavailability by enabling controlled release and protecting active ingredients from stomach acid degradation. This ingredient is well-tolerated, aligns with plant-based dietary preferences, and supports sustainable supplement practices.
Hypromellose is a plant-based, cellulose-derived ingredient commonly used as a vegetarian capsule material, offering a suitable alternative to gelatin capsules. It facilitates the gradual release and protection of encapsulated nutrients in the digestive system, enhancing absorption and bioavailability. Generally safe with low risk, it supports dietary preferences like veganism and may improve gastrointestinal tolerance and gut health.
Ibutamoren (MK-677) is a growth hormone secretagogue that stimulates the body's natural production of growth hormone and IGF-1 by mimicking ghrelin. It supports muscle growth, fat metabolism, bone density, and cognitive function through sustained hormone release without injections. While generally well-tolerated, it carries moderate health risks including increased appetite, water retention, and potential concerns for individuals with diabetes or cancer, necessitating medical consultation before use.
Imidazolidinyl urea is a synthetic preservative used in cosmetics and personal care products to prevent microbial growth by slowly releasing formaldehyde. It helps extend product shelf life and maintain safety, but can cause allergic reactions and skin irritation in sensitive individuals due to formaldehyde exposure. Users with sensitive skin or allergies should monitor for adverse reactions and consider patch testing new products.
Inositol is a naturally occurring sugar alcohol important for cellular signaling and brain health, often linked to the B-vitamin family. It supports mood regulation, insulin sensitivity, and hormonal balance, making it beneficial for mental health, metabolic disorders, and reproductive health, especially in conditions like PCOS. Generally safe with low risk, mild gastrointestinal side effects may occur at high doses, and consultation with a healthcare provider is recommended when combining with other medications.
Inulin is a plant-based prebiotic fiber found in foods like chicory root and Jerusalem artichoke, prized for its ability to nourish beneficial gut bacteria and support digestive health. Its fermentation in the colon produces short-chain fatty acids that benefit metabolism, immunity, and even mood. While generally safe and effective for most, inulin can cause digestive discomfort in sensitive individuals or when consumed in excess, so gradual introduction is recommended.