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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Homosalate, Octocrylene, Octisalate, Zinc Oxide
Brand Name
Sea Star Sparkle Spf 50 Glitter Sunscreen Coco Lime
Generic Name
Homosalate, Octocrylene, Octisalate, Zinc Oxide
Active Ingredient
HomosalateCategory
Non-Standardized Chemical Allergen [EPC]
Variants
2
This page is for informational purposes only and does not replace medical advice. Before using any prescription or over-the-counter medication for Sea Star Sparkle Spf 50 Glitter Sunscreen Coco Lime, you must consult a qualified healthcare professional.
Detailed information about Sea Star Sparkle Spf 50 Glitter Sunscreen Coco Lime
Homosalate is an organic compound belonging to the salicylate class, primarily utilized as a chemical UV filter in sunscreens. It is classified as a Non-Standardized Chemical Allergen and an Adenosine Receptor Agonist, providing protection against UVB radiation.
For photoprotection, Homosalate is used topically in concentrations ranging from 5% to 15%.
No specific dosage adjustments are currently recommended for patients with kidney disease due to the primarily topical nature of the drug; however, patients with severe renal failure should consult their doctor regarding systemic absorption concerns.
No specific adjustments are required for liver impairment, though the metabolism of absorbed Homosalate occurs via esterases which are ubiquitous in the body.
Elderly patients with thinned skin (atrophy) may experience higher rates of systemic absorption and should monitor for localized skin reactions.
Homosalate-containing products are for external use only. Do not ingest. Avoid contact with eyes, nostrils, and mouth. If the product is a spray, do not inhale the vapors; spray into hands and then apply to the face.
If you forget to apply Homosalate before sun exposure, apply it as soon as you remember. Note that protection is not retrospective; skin damage may have already occurred during the unprotected interval.
Acute systemic toxicity from topical application is highly unlikely. However, accidental ingestion can lead to salicylate poisoning. Symptoms include nausea, vomiting, dizziness, and tinnitus (ringing in the ears). In case of ingestion, contact a Poison Control Center or seek emergency medical care immediately.
> Important: Follow your healthcare provider's or the product label's dosing instructions. Do not adjust your usage frequency without medical guidance.
Homosalate is intended for topical application only. While it is effective at preventing UVB-induced damage, it should be used as part of a comprehensive sun protection strategy that includes wearing hats, sunglasses, and seeking shade. Patients with known sensitivities to aspirin or other salicylates should exercise caution, as cross-reactivity is possible.
No FDA black box warnings for Homosalate.
There are no documented drug-drug contraindications where Homosalate must NEVER be used. However, it should not be applied to broken or denuded (peeled) skin, as this significantly increases systemic absorption.
Homosalate is not assigned a formal FDA pregnancy category (as it is an OTC monograph ingredient). However, research (Matta et al., 2020) has shown that Homosalate is absorbed systemically and can be detected in the blood. While there is no definitive evidence of teratogenicity (birth defects) in humans, pregnant individuals may wish to consult their obstetrician about using mineral-based sunscreens (Zinc Oxide or Titanium Dioxide) as an alternative.
Homosalate has been detected in human breast milk. The clinical significance for the nursing infant is unknown. The risk of infant exposure via skin contact with the mother's treated skin should also be considered. Discuss use with a lactation consultant or pediatrician.
Approved for use in children older than 6 months. For children under 6 months, the skin is more permeable and the surface-area-to-body-weight ratio is higher, increasing the risk of systemic absorption. Physical sun protection (clothing/shade) is preferred for this age group.
Homosalate acts as a chemical filter that absorbs UVB radiation. The electronic structure of the salicylate ring allows it to absorb high-energy photons (290-320 nm). This absorption promotes the molecule to an excited state; as it returns to the ground state, it releases the energy as harmless heat. Additionally, its classification as an Adenosine Receptor Agonist suggests it may bind to A1, A2A, or A2B receptors, though the clinical impact of this on the skin's inflammatory response is a subject of ongoing research.
The onset of action for Homosalate is approximately 15-30 minutes (the time required for the product to form a protective film on the stratum corneum). The duration of effect is typically 2 hours, after which the chemical may degrade or be removed by environmental factors.
| Parameter | Value |
|---|---|
| Bioavailability | Systemically detectable (Topical) |
Common questions about Sea Star Sparkle Spf 50 Glitter Sunscreen Coco Lime
Homosalate is primarily used as an active ingredient in sunscreens to protect the skin from ultraviolet B (UVB) radiation. UVB rays are the primary cause of sunburn and play a significant role in the development of skin cancer and premature skin aging. By absorbing these rays, Homosalate helps prevent DNA damage in the skin cells. It is commonly found in lotions, sprays, and sun sticks, often at concentrations up to 15%. Talk to your healthcare provider about whether a sunscreen containing Homosalate is right for your skin type.
The most frequently reported side effects of Homosalate are localized skin reactions, such as mild irritation, redness, or a stinging sensation. Because it is an oil-soluble ingredient, some users may find it makes their skin feel greasy or may contribute to acne breakouts. In some cases, individuals with sensitive skin may develop contact dermatitis, which is an itchy rash. These symptoms usually resolve once the product is washed off. If you experience persistent irritation or a severe rash, you should stop using the product and consult a dermatologist.
There are no known interactions between topically applied Homosalate and the consumption of alcohol. Since Homosalate is applied to the skin and only small amounts reach the bloodstream, it does not interfere with the way the body processes alcohol. However, alcohol consumption can sometimes lead to increased skin flushing or sensitivity in some individuals. It is always best to maintain proper hydration and sun safety practices regardless of alcohol use. If you have concerns about systemic absorption, discuss them with your healthcare provider.
The safety of Homosalate during pregnancy is a topic of ongoing clinical discussion. While there is no evidence that it causes birth defects in humans, studies have shown that it can be absorbed through the skin and enter the bloodstream. Some laboratory studies have suggested that Homosalate might interfere with hormones, though the clinical impact on human pregnancy is not well-defined. Many healthcare providers recommend that pregnant individuals use physical sunscreens containing Zinc Oxide or Titanium Dioxide as a precaution. Always consult your obstetrician before starting new skin-care products during pregnancy.
Homosalate typically takes about 15 to 30 minutes to become fully effective after it is applied to the skin. This time allows the product to dry and form a uniform protective layer over the skin's surface. It is important to apply the product before you go outdoors to ensure you are protected from the moment you step into the sun. If you apply it after you are already in the sun, you may sustain skin damage during the initial unprotected window. Reapplication every two hours is necessary to maintain this protection.
Yes, you can stop using products containing Homosalate at any time without experiencing withdrawal symptoms or adverse effects. Homosalate does not create a physical dependence, as it is a topical protective agent rather than a systemic medication. However, once you stop using it, your skin will no longer be protected from UVB radiation. You should replace it with another form of sun protection, such as a different sunscreen or protective clothing, to avoid sunburn. Consult your doctor if you are stopping use due to an allergic reaction.
If you forget to apply your Homosalate-containing sunscreen before going outdoors, apply it as soon as you realize the omission. It is important to remember that the protection is not retroactive, meaning any sun exposure you had before applying the product may have already caused some degree of skin damage. If you have already been burned, do not apply more Homosalate to the damaged skin, as it may cause irritation. Instead, seek shade and treat the burn as directed by a healthcare professional. Consistent application is key to effective sun protection.
There is no clinical evidence to suggest that the topical use of Homosalate causes weight gain. Homosalate is applied to the skin for UV protection and does not have the systemic metabolic effects associated with medications that cause weight changes. While some studies have looked at its potential as an endocrine disruptor, these effects have not been linked to weight gain in human clinical trials. If you experience unexpected weight changes, you should discuss them with your doctor to identify the underlying cause. Your sunscreen use is unlikely to be a contributing factor.
Homosalate is generally safe to use alongside most oral medications, as its systemic absorption is relatively low. However, you should be cautious when using it with other topical treatments, such as prescription acne creams or retinoids, which can increase skin sensitivity. There is a theoretical concern for those with aspirin allergies, as Homosalate is a salicylate. Always inform your healthcare provider about all the products you use on your skin to ensure there are no negative interactions. They can help you coordinate your skin-care routine for the best results.
Homosalate is not a prescription drug and therefore does not have a 'generic' version in the traditional sense. Instead, it is a common active ingredient found in thousands of different sunscreen brands, from expensive luxury products to affordable store-brand versions. All products containing Homosalate must meet the same FDA standards for safety and efficacy regardless of the brand name. When choosing a product, look at the 'Active Ingredients' section of the Drug Facts label to see the concentration of Homosalate. Your pharmacist can help you find a cost-effective product that meets your needs.
Other drugs with the same active ingredient (Homosalate)
1177, 1178 Sunscreen
Ageless Glow Serum Bb Cream Sunscreen Spf 40 - Deep
Ageless Glow Serum Bb Cream Sunscreen Spf 40 - Fair
Ageless Glow Serum Bb Cream Sunscreen Spf 40 - Light
Ageless Glow Serum Bb Cream Sunscreen Spf 40 - Light Medium
Ageless Glow Serum Bb Cream Sunscreen Spf 40 - Light Warm
> Warning: Stop using Homosalate and call your doctor immediately if you experience any of these.
Research into the long-term effects of Homosalate is ongoing. Some in vitro (test tube) studies suggest that Homosalate may have weak estrogenic or androgenic activity, potentially acting as an endocrine disruptor. However, clinical significance in humans at standard topical doses has not been definitively established by the FDA as of 2024.
No FDA black box warnings for Homosalate. It is generally considered safe for topical use under current OTC monographs.
Report any unusual symptoms or persistent skin changes to your healthcare provider.
There are no standard laboratory monitoring requirements (like blood counts or liver tests) for the routine use of Homosalate. However, dermatologists may monitor patients with chronic skin conditions for signs of sensitization or worsening of underlying dermatitis.
Topical Homosalate does not affect the ability to drive or operate machinery.
There are no known interactions between topical Homosalate and alcohol consumption.
If a rash or irritation develops, discontinue use immediately. There is no withdrawal syndrome associated with stopping Homosalate-containing products.
> Important: Discuss all your medical conditions and skin sensitivities with your healthcare provider before starting a regimen containing Homosalate.
There are no known food or beverage interactions with topically applied Homosalate.
Homosalate is not known to interfere with standard blood or urine laboratory tests. However, if systemic absorption is high, it could potentially lead to false-positive results in specific salicylate screenings, though this is not common in clinical practice.
> Important: Tell your doctor or pharmacist about ALL medications, supplements, and skin-care products you are currently using.
There is a risk of cross-sensitivity between Homosalate and other salicylate-containing compounds, such as Octisalate or Trolamine Salicylate. If you have reacted to one, you may react to others.
> Important: Your healthcare provider will evaluate your complete medical history and skin sensitivity before recommending products containing Homosalate.
No specific restrictions exist for the elderly. However, older patients should be aware that age-related skin thinning may increase the likelihood of localized irritation or systemic absorption.
No dosage adjustments are defined, but since Homosalate metabolites are excreted renally, patients with end-stage renal disease should use the product with awareness of potential systemic accumulation.
No specific adjustments are required for patients with liver disease.
> Important: Special populations should always seek individualized medical assessment before using chemical UV filters.
| Protein Binding | Unknown in humans |
| Half-life | Not fully characterized (Metabolites ~2-4 hours) |
| Tmax | ~2 hours post-application |
| Metabolism | Hydrolysis to Salicylic Acid |
| Excretion | Primarily Renal |
Homosalate is a member of the salicylate family of organic compounds. It is grouped with other chemical UV filters like Octisalate and is often used in combination with Avobenzone (a UVA filter) to provide broad-spectrum protection.