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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Brand Name
Vertra Pearl White Face Stick Spf 50
Generic Name
Padimate O, Titanium Dioxide
Active Ingredient
Padimate OCategory
Other
Variants
2
Different strengths and dosage forms
| Strength | Form | Route | NDC |
|---|---|---|---|
| 7 g/100g | STICK | TOPICAL | 71014-025 |
| 7 g/100g | STICK | TOPICAL | 66990-1019 |
This page is for informational purposes only and does not replace medical advice. Before using any prescription or over-the-counter medication for Vertra Pearl White Face Stick Spf 50, you must consult a qualified healthcare professional.
Detailed information about Vertra Pearl White Face Stick Spf 50
Padimate O is an organic ester derivative of PABA used as a chemical sunscreen agent to absorb UVB radiation. It belongs to the class of aminobenzoates and is primarily found in topical sun protection formulations to prevent sunburn and photoaging.
For effective UV protection, Padimate O must be applied in sufficient quantities. Clinical guidelines from the American Academy of Dermatology (AAD) suggest the following for adults:
Because systemic absorption of Padimate O is negligible when applied to intact skin, no specific dosage adjustments are required for patients with kidney disease. However, if applied to large areas of broken or denuded skin, caution is advised.
There are no documented requirements for dosage adjustment in patients with liver disease. The metabolic load from topical application is insufficient to stress hepatic function.
Elderly patients often have thinner skin (atrophic skin). While no dose adjustment is needed, these patients should be monitored for increased skin irritation or localized sensitivity.
Padimate O is for external use only. Follow these specific steps for optimal efficacy:
In the context of sun protection, a 'missed dose' simply means you are unprotected. If you forget to apply Padimate O before going outside, apply it as soon as you remember. However, be aware that the skin may have already sustained UV damage. Seek shade until the product has had time to set (approximately 15 minutes).
Systemic overdose from topical application is virtually impossible. However, accidental ingestion (especially by children) can occur.
> Important: Follow your healthcare provider's or the product label's dosing instructions. Do not adjust your application frequency without medical guidance, especially if you have a history of skin cancer.
While Padimate O is generally well-tolerated, some users may experience mild localized reactions. These are usually not serious and resolve once the product is washed off.
Padimate O is intended for topical application only. It should never be applied to deep puncture wounds, animal bites, or serious burns without consulting a physician. Users should be aware that no sunscreen provides 100% protection against UV radiation; therefore, Padimate O should be used as one component of a broader sun safety strategy that includes wearing protective clothing, hats, and sunglasses.
As of 2026, there are no FDA black box warnings for Padimate O. It remains a monograph-compliant ingredient for over-the-counter sun protection products.
There are no known systemic drugs that are strictly contraindicated with the topical use of Padimate O. However, users should avoid using multiple sunscreens containing different aminobenzoates simultaneously unless directed by a professional, as this may increase the risk of skin sensitization.
Padimate O must NEVER be used in the following circumstances:
Conditions requiring careful risk-benefit analysis by a healthcare provider:
There are no adequate and well-controlled studies of Padimate O in pregnant women. However, because systemic absorption through intact skin is minimal, it is generally considered acceptable for use during pregnancy when applied to limited surface areas. Preventing the 'mask of pregnancy' (melasma) often requires diligent sunscreen use. Some experts suggest that pregnant women opt for physical blockers (Zinc Oxide) out of an abundance of caution to avoid any potential for systemic chemical exposure during the first trimester.
It is not known whether Padimate O is excreted in human milk following topical application. Given the low systemic bioavailability, it is unlikely to pose a risk to the nursing infant. Care should be taken to avoid applying Padimate O to the breast or nipple area to prevent the infant from direct oral ingestion during feeding.
Padimate O is safe for use in children over the age of 6 months. It is particularly important for children to use sunscreen as blistering sunburns in childhood significantly increase the lifetime risk of melanoma. However, for children with highly sensitive skin or a history of 'cradle cap' or eczema, a dermatologist should be consulted to ensure the formulation's inactive ingredients (fragrances, preservatives) are also safe.
Padimate O is a chemical UV filter that acts as a 'photon trap.' Its molecular structure consists of an aromatic ring with a dimethylamino group in the para position and an ethylhexyl ester group. This configuration allows the molecule to absorb energy specifically in the UVB range (290-315 nm). The energy of the UV photon is used to promote an electron from the Highest Occupied Molecular Orbital (HOMO) to the Lowest Unoccupied Molecular Orbital (LUMO). This energy is then dissipated through vibrational relaxation (heat) as the molecule returns to its ground state.
The pharmacodynamic effect of Padimate O is measured by its Sun Protection Factor (SPF). The dose-response relationship is non-linear; for example, an SPF 15 product (which may contain Padimate O) filters about 93% of UVB, while an SPF 30 filters about 97%. The duration of effect is determined by the 'substantivity' of the formulation—how well it resists being washed off by water or sweat.
| Parameter | Value |
|---|---|
Common questions about Vertra Pearl White Face Stick Spf 50
Padimate O is primarily used as an active ingredient in sunscreens to protect the skin from UVB radiation, which is the main cause of sunburn. By absorbing these harmful rays, it helps prevent immediate skin damage and reduces the long-term risk of skin cancer and premature aging. It is often combined with other UV filters to provide broad-spectrum protection. You will typically find it in lotions, sprays, and lip balms designed for outdoor use. Always check the product label to ensure it meets your specific SPF needs.
The most common side effects of Padimate O are localized skin reactions, such as mild stinging, itching, or redness at the site of application. These symptoms are usually temporary and occur shortly after the product is applied to the skin. Some users may also experience a dry or 'tight' feeling, especially if the sunscreen is alcohol-based. If you notice a persistent rash or severe irritation, you should wash the product off and consult a doctor. It is always a good idea to test a small patch of skin before applying it to your entire body.
Yes, there is no known contraindication between drinking alcohol and the topical use of Padimate O. Since the medication is applied to the skin and very little enters the bloodstream, alcohol does not interfere with its ability to filter UV light. However, be aware that alcohol consumption can make you less mindful of the need to reapply sunscreen. Additionally, alcohol can cause skin flushing, which might make any mild irritation from the sunscreen feel more pronounced. Always prioritize hydration and sun safety when consuming alcohol outdoors.
Padimate O is generally considered safe for use during pregnancy because it is applied topically and has very low systemic absorption. Most dermatologists agree that the benefits of preventing skin damage and melasma (dark spots) during pregnancy outweigh the minimal risks of using chemical sunscreens. However, if you have concerns, you might choose to use physical sunscreens containing zinc oxide or titanium dioxide, which are not absorbed by the skin at all. Always discuss your skincare routine with your obstetrician or dermatologist during pregnancy. It is best to avoid application to large areas of broken or irritated skin.
Padimate O requires approximately 15 to 30 minutes to work effectively after application. This time allows the product to dry and form a uniform, protective film over the skin's surface. If you go directly into the sun or water immediately after applying, the product may be wiped or washed away before it can provide protection. For the best results, apply it to dry skin indoors before heading outside. Remember that reapplication every two hours is necessary to maintain this protection throughout the day.
Yes, you can stop using Padimate O at any time without any withdrawal effects or physical complications. Unlike systemic medications, Padimate O only works while it is physically present on your skin. However, once you stop using it, your skin will no longer have a chemical shield against UVB rays, making you immediately susceptible to sunburn. If you choose to stop using a product containing Padimate O, ensure you have another form of sun protection ready. Consistency is key to preventing long-term skin damage and skin cancer.
In the case of sun protection, a 'missed dose' means your skin is currently unprotected from the sun. If you realize you have forgotten to apply Padimate O, you should apply it as soon as possible. If you are already outdoors, try to find shade or cover up with clothing while you wait for the sunscreen to set (about 15 minutes). Do not 'double' the amount of sunscreen later to make up for the missed time, as this does not provide extra protection. Simply resume your regular reapplication schedule of every two hours.
No, Padimate O does not cause weight gain. It is a topical sunscreen ingredient that stays on the surface of the skin and does not affect your metabolism, hormones, or appetite. There is no clinical evidence linking the use of any topical UV filter to changes in body weight. Any weight fluctuations you experience while using sun protection are likely due to other factors such as diet, exercise, or underlying medical conditions. You can use Padimate O-containing products without concern for your weight.
Padimate O can generally be used alongside most oral medications without any issues, as it is applied topically. However, if you are using other topical skin treatments, such as acne creams or prescription retinoids, you should apply them first and let them dry before applying Padimate O. Some medications, like certain antibiotics or diuretics, can make your skin more sensitive to the sun. In these cases, using a sunscreen like Padimate O is even more important, but you should consult your doctor about the best sun protection strategy. Always inform your healthcare provider about all the products you use.
Padimate O is an active ingredient found in many different brands of sunscreens, ranging from store-brand generics to high-end cosmetic labels. Because it is an over-the-counter (OTC) monograph ingredient, it is not 'prescribed' in the traditional sense, so the concept of a generic versus a brand-name drug is slightly different. You can find Padimate O in many affordable, 'off-brand' sunscreens that are just as effective as expensive versions. To find it, simply look for 'Padimate O' in the 'Active Ingredients' section of the drug facts label on the back of the bottle.
> Warning: Stop using Padimate O and call your doctor immediately if you experience any of the following:
There has been significant scientific debate regarding the long-term use of Padimate O. Some in vitro (laboratory) studies have suggested that Padimate O may generate reactive oxygen species (free radicals) when exposed to UV light, which could theoretically damage DNA. However, most dermatological experts agree that the proven benefits of preventing sunburn and skin cancer far outweigh these theoretical risks. There is currently no definitive evidence that long-term topical use of Padimate O causes systemic toxicity or hormonal disruption in humans at standard concentrations.
No FDA black box warnings have been issued for Padimate O. It is considered safe for OTC use when used as directed.
Report any unusual symptoms or persistent skin changes to your healthcare provider. If you suspect a chronic allergic reaction, a dermatologist can perform 'patch testing' to identify the specific ingredient causing the issue.
There are no standard laboratory monitoring requirements (like blood tests) for the routine use of Padimate O. However, patients with a history of skin cancer should have regular total-body skin exams by a dermatologist to monitor for new or changing lesions, regardless of sunscreen use.
Topical application of Padimate O does not affect the central nervous system and is not known to impair the ability to drive or operate heavy machinery.
There are no known direct interactions between topical Padimate O and alcohol consumption. However, alcohol can cause vasodilation (widening of blood vessels), which may slightly increase the skin's sensitivity to heat and UV radiation.
There is no 'withdrawal syndrome' associated with Padimate O. You may stop using it at any time. However, doing so will immediately remove your chemical protection against UVB radiation, increasing your risk of sunburn.
> Important: Discuss all your medical conditions, especially any history of eczema, psoriasis, or skin cancer, with your healthcare provider before starting a new sun protection regimen containing Padimate O.
There are no known interactions between Padimate O and food, including grapefruit or dairy. Because the drug is not intended for ingestion, dietary factors do not influence its pharmacokinetics.
Padimate O is not known to interfere with standard blood or urine laboratory tests. It does not typically cause false positives in drug screenings or metabolic panels.
To minimize interactions, always apply Padimate O to clean, dry skin. If using other topical medications, wait at least 10-20 minutes between applications to prevent physical mixing of the products on the skin surface, which can alter the 'film-forming' properties of the sunscreen.
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking, even if they are 'natural' or over-the-counter.
Patients should be aware of potential cross-sensitivity with:
> Important: Your healthcare provider will evaluate your complete medical history, including any history of 'photo-patch' test results, before recommending Padimate O.
Older adults often have 'parchment skin' (thin, fragile skin). While Padimate O is effective for them, they should be monitored for increased absorption or localized irritation. Additionally, many elderly patients are on medications that cause photosensitivity (e.g., diuretics, certain heart medications), making the use of an effective UVB filter like Padimate O even more critical.
No dose adjustment is necessary for patients with renal impairment. The kidneys are not significantly involved in the clearance of topically applied Padimate O under normal conditions.
No dose adjustment is required for patients with liver disease. The metabolic capacity of the liver is not challenged by the trace amounts of Padimate O that may reach the systemic circulation.
> Important: Special populations, particularly pregnant women and parents of young children, should seek individualized medical assessment from a dermatologist or pediatrician.
| Protein Binding | Not clinically significant |
| Half-life | 4-6 hours (skin residence time) |
| Tmax | 15-30 minutes (time to form film) |
| Metabolism | Skin/Liver Esterases |
| Excretion | Renal (as metabolites) |
Padimate O is classified as an Organic UVB Filter and an Aminobenzoate. It is related to other UV filters like Octinoxate and Octisalate, but it is specifically distinguished by its PABA-derivative origin.