Comparison · Sources accessed September 27, 2026
Dark-spot creams: compare the category before the claim
A disclosed comparison of Spot On, Obagi Clear Fx, Clear Rx and Dermatica’s treatment service.
An editorial reading of public records. No clinician sign-off, patient outcome study, firsthand product test or examination of a supplied medicine is claimed.
“Brightening” can appear on a retail cream, a prescription product and the homepage of a consultation service. The shared word does not make those records comparable in every respect. One may publish a fixed ingredient list; another may show only a possible formula. A third may display customer experiences gathered across several concerns. The first comparison task is to identify which kind of record is being read.
CoreAge is listed first through a disclosed commercial publishing choice: The Spot Check is part of the CoreAge Rx promotional network. We have not independently determined that it is a superior treatment. This September 27, 2026 review compares public documents, not patient results. The “best” wording in the address does not supply an individual recommendation or a claim that all four records belong in one treatment category.
Follow the record
CoreAge Spot On is a specific advertised compound
Spot On is described as a compounded cream with hydroquinone, kojic acid and niacinamide. Its plan cards state 6% for each of the first two ingredients, leaving niacinamide’s percentage, the complete base and supplied amount unresolved. The CoreAge review distinguishes these public specifications from an inspected prescription. Product description Current offer
The main offers show $165 for three months and $70 for one month, accompanied by $54.99 and $69.99 monthly displays. A separate Spot On description says $42 monthly without a matching checked plan. Those figures cannot be silently reconciled into a more attractive price.
Clear Fx is an appearance-focused retail record
Obagi presents Clear Fx as a skin-brightening cream with arbutin and antioxidants. Its disclosed ingredient list does not name hydroquinone, and its regular-price display is $125. Direct page text separately offers a 15% subscription promotion with selectable delivery frequencies. The price and subscription controls identify a commercial offer, not an assessed treatment duration or a verified stock position. Clear Fx page
The Clear Fx article treats this as the retail appearance-focused record Obagi presents. It does not certify a legal product classification merely because the page uses cosmetic language. FDA explains that intended use, including online claims, affects whether a product is a cosmetic, drug or both. FDA category explanation
Clear Rx must remain a separate product
Obagi Nu-Derm Clear’s prescription page identifies a cream containing hydroquinone 4% and directs readers to a healthcare provider. That is different from the arbutin-based Fx page, even though their names and stated appearance concerns resemble one another. The $125 Fx display is not a verified Clear Rx quote. Prescription Clear record
Nor does the prescription requirement prove FDA approval. FDA’s hydroquinone communication names Tri-Luma in its approval statement; approval cannot be transferred through a shared active ingredient. A comparison that merges Rx and Fx would therefore confuse both product identity and the evidence being cited. FDA hydroquinone record
Dermatica is a service with possible preparations
Dermatica’s melasma page publishes a menu that includes hydroquinone 4%, other prescription actives and a SmartBase cream description. Its homepage describes compounded personalized treatment. Neither page proves which ingredients a particular person would receive. A separately displayed retinal serum is not the custom hydroquinone preparation. Treatment page Homepage
Current pricing is $29.95 per bottle and $59.90 every two months, with free shipping and approximately 56-day delivery language. The Dermatica review reads those units alongside its check-in claims rather than making an annual total or a universal formula assumption. Pricing record
Review displays do not level the evidence field
The Clear Fx page includes an automated summary of customer reviews. CoreAge describes patient experiences with an explicit personal-outcome disclaimer. Dermatica’s pricing page presents stories concerning several different skin goals. Each is a record of what the website publishes, not a controlled comparison of the products discussed here. Fx reviews CoreAge disclosure Dermatica stories
FTC guidance distinguishes testimonials from scientific substantiation of health-product effects. We have not authenticated or debunked any individual story. The testimonial guide asks what evidence is missing rather than converting the number or enthusiasm of reviews into a clinical score. FTC guidance
The diagnosis is not another comparison field to guess
AAD describes the assessment needed to distinguish melasma from another skin condition and explains that care is individualized. A reader’s concern about a mark does not automatically match a condition named on a commercial page. Ingredient comparisons cannot repair that uncertainty. AAD diagnosis and treatment
Similarly, FDA’s explanation of compounded medicines does not make a compound equivalent to an approved preparation. The active-name guide keeps the preparation and evidence together. No larger percentage, longer ingredient list or stronger marketing adjective earns a preferred position on clinical grounds in this publication. FDA compounding
Compare the unanswered questions as carefully as the claims
For a retail offer, unresolved questions may include the selected purchase option, shipment contents and applicable return conditions. A prescription route additionally requires the proposed preparation and the responsible professional’s explanation. None of these websites was tested through purchase or care, so their public promises should not be reported as completed service outcomes.
Our price-record guide helps preserve contradictory amounts, while the label-question guide separates a website from a supplied product. The comparison leaves room for a professional assessment or an unresolved question. It does not turn either a cosmetic interest or a concern about pigmentation into an obligation to buy.
Return to the documents
- CoreAge Rx Spot On product page ↗Provider commercial description; named compounded preparation and missing specifications · Accessed 2026-09-27
- CoreAge Rx Spot On public offer ↗Provider offer, formula claims, same-product price discrepancy and testimonial disclosure · Accessed 2026-09-27
- Obagi Nu-Derm Clear Fx Skin Brightening Cream ↗Manufacturer retail product and review record; direct HTML supplements subscription options and terms · Accessed 2026-09-27
- FDA: Is it a cosmetic, a drug, or both? ↗Federal intended-use and category framework; not product-specific regulatory clearance · Accessed 2026-09-27
- Obagi Nu-Derm Clear prescription cream ↗Separate manufacturer prescription product record; not Clear Fx identity or quote · Accessed 2026-09-27
- FDA: Potentially harmful OTC skin-lightening products ↗FDA communication dated April 19, 2022, currently checked; exact approval context and adverse reports · Accessed 2026-09-27
- Dermatica: Melasma treatment ↗Provider possible-ingredient and preparation description; not an individual prescription · Accessed 2026-09-27
- Dermatica US homepage ↗Provider personalized compound description and current trial offer · Accessed 2026-09-27
- Dermatica: Pricing ↗Provider commercial units, support claims and customer stories across different concerns · Accessed 2026-09-27
- FTC: Health Products Compliance Guidance ↗Federal advertising evidence guidance; testimonial versus substantiation distinction, not an individual enforcement judgment · Accessed 2026-09-27
- AAD: Melasma diagnosis and treatment ↗Professional society assessment and individualized-care context; updated February 15, 2022 · Accessed 2026-09-27
- FDA: Compounding and the FDA — Questions and Answers ↗Federal explanation of nonapproval and evidence boundaries · Accessed 2026-09-27