Retinal Skin Booster Serum 5.07 fl oz

Mega-sized Retinaldehyde serum designed for gentle, full-body skin resurfacing.

Full manufacturer title

MEDITHERAPY Retinal Skin Booster Serum 5.07 fl oz | Retinaldehyde, Niacinamide, Cica | Korean Hydrating Face & Body Serum for Dull, Uneven Skin, All Skin Types, K-Beauty

Member of The 90+ Clubscored 90+ out of 100

Typical price

$17

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MEDITHERAPY Retinal Skin Booster Serum 5.07 fl oz | Retinaldehyde, Niacinamide, Cica | Korean Hydrating Face & Body Serum for Dull, Uneven Skin, All Skin Types, K-Beauty image 1

Ravvy verdict

90.5 / 100

Buy this if you want a versatile, high-volume retinal that targets dullness across your entire body without the risk of a harsh purge.

Best for: K-beauty enthusiasts looking for a budget-friendly, non-irritating retinal for face and body.
Buy it if: You want large 5.07 oz bottle offers incredible value.
Skip it if: You prefer rich, oil-based serums.
Best alternative: e.l.f. SKIN Holy Hydration! Jet Set Hydration Kit, Travel Friendly Hydrating Skincare Set, Face Cleanser, Balm, Moisturizer, Eye Cream & Night Cream, Vegan & Cruelty-Free (budget conscious travelers and skincare beginners)

How it scores on what matters

Value for Money98.2
Skin Compatibility96.0
Absorption Speed90.0
Ingredient Purity88.0
Anti-Aging Efficacy85.5

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

The MEDITHERAPY Retinal Skin Booster Serum breaks the traditional rules of vitamin A application by offering a massive five ounce bottle meant for both the face and body. Unlike standard retinol which requires a slow conversion process by the skin, this formula utilizes retinaldehyde. This ingredient is closer to prescription strength retinoic acid but is delivered here in a micro-particle format designed to penetrate pores without the typical redness or peeling associated with high potency treatments. What sets this K-beauty staple apart is its focus on barrier health alongside anti-aging. By blending niacinamide and Cica with the active retinal, it manages to maintain a zero irritation index in clinical testing. The lightweight texture absorbs instantly, making it an ideal base for layering under heavier creams or using as a revitalizing body treatment for sun-damaged areas like the chest and arms. It provides a practical solution for those who want the benefits of advanced retinoids without the high cost or sensitivity risks.

Ravvy AI insight

This product occupies a unique niche by offering retinaldehyde at a price point usually reserved for basic retinol. While the concentration is mild enough for daily use, the 5.07 oz volume provides exceptional value for treating large areas like the neck and décolletage which are often neglected due to the high cost of facial serums.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 20, 2026.

What owners praise

Large 5.07 oz bottle offers incredible value
Retinaldehyde formula works faster than standard retinol
Zero irritation index is safe for sensitive skin
Fragrance-free and lightweight absorption
Versatile enough for both face and full body use
Effective at refining skin texture and evening tone

What to know first

May be too mild for experienced users of high-percentage tretinoin
Pump bottle design can sometimes dispense more than needed
Requires consistent daily use to see significant lifting results

Specifications

Item Form: Drop
Skin Type: All
Brand Name: MEDITHERAPY
Scent Name: Fragrance Free
Unit Count: 5.07 Fluid Ounces
Item Volume: 5.07 fluid ounces
Manufacturer: KOLMAR KOREA CO. LTD
Number of Items: 1
Product Benefits: Anti-Aging, Even Toning, Radiant Skin
Active Ingredients: Adenosine, Niacinamide, Retinaldehyde
Product Dimensions: 14.17 x 9.06 x 8.46 inches; 7.37 ounces
Special Ingredients: Adenosine, Niacinamide, Retinal
Target Use Body Part: Face, Neck, Whole Body
Manufacturer Part Number: Retinal Serum
Recommended Uses For Product: Enlarged Pores, Fine lines, Hyperpigmentation, Loss of Elasticity

How to get the most out of it

Layering for Maximum Glow

Apply this serum after a hydrating toner but before your heaviest moisturizer. This allows the retinal micro-particles to reach the skin surface directly without being blocked by occlusive oils.

Ownership tips

tip

Don't Forget the Body

Use the generous bottle size to your advantage by applying a few pumps to your chest, shoulders, and the backs of your hands. These areas show age quickly and benefit significantly from retinal resurfacing.

care

Sun Safety First

Even though this formula is gentle, retinal increases sun sensitivity. Always apply a broad-spectrum SPF 30 or higher during the day to protect the new skin cells being produced.

Frequently asked questions

Can I use this serum every day?

Yes, this formula is specifically designed with a zero irritation index for daily use. Unlike stronger retinoids that require a 'sandwich method' or skipping days, most users can apply this both morning and night.

How is retinal different from retinol?

Retinal (Retinaldehyde) is one step closer to the active form of Vitamin A than retinol is. This means it typically works up to 11 times faster to promote cell turnover and collagen production.

Is this product safe for sensitive skin?

Absolutely. It has been clinically tested to ensure it does not cause the typical stinging or redness associated with vitamin A products, thanks to the soothing inclusion of Cica and Niacinamide.

Will this help with acne or pores?

Yes, by accelerating skin cell turnover, it helps prevent pores from becoming clogged with dead skin cells. This leads to a smoother texture and a reduction in the appearance of enlarged pores over time.

Where can you buy the Retinal Skin Booster Serum 5.07 fl oz?

Retinal Skin Booster Serum 5.07 fl oz is sold through Amazon, and MEDITHERAPY also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the Retinal Skin Booster Serum 5.07 fl oz cost?

The last price Ravvy recorded was $17. Retail pricing on beauty & personal care moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the Retinal Skin Booster Serum 5.07 fl oz for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when beauty & personal care discounts run deepest, compare the open box or renewed listing against new stock, and check whether MEDITHERAPY is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the Retinal Skin Booster Serum 5.07 fl oz in stock right now?

It was in stock at our last check. Availability on popular beauty & personal care can change within hours, so the live listing is the source of truth.

Is the Retinal Skin Booster Serum 5.07 fl oz worth it?

Ravvy scores it 90.5 out of 100. The strongest argument for it is large 5.07 oz bottle offers incredible value. The trade off to weigh is may be too mild for experienced users of high-percentage tretinoin.

Who should buy the Retinal Skin Booster Serum 5.07 fl oz?

It fits k-beauty enthusiasts looking for a budget-friendly, non-irritating retinal for face and body. If that does not describe your situation, compare it with the other options in Beauty & Personal Care before committing.

What are the key specs of the Retinal Skin Booster Serum 5.07 fl oz?

ASIN: B0DG4WXBCF. Item Form: Drop. Skin Type: All. Brand Name: MEDITHERAPY.

What are good alternatives to the Retinal Skin Booster Serum 5.07 fl oz?

Compare it against the other scored picks in Beauty & Personal Care on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

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