Fine lines, uneven texture, reduced firmness and lingering marks can become more noticeable as the skin’s condition changes. Rather than layering several strong treatments at once, a balanced formula combining a vitamin A derivative with antioxidant, brightening and moisturizing ingredients can provide a more manageable routine.

K-SECRET SEOUL 1988 Serum: Retinal Liposome 2% + Black Ginseng is a 30 ml Korean anti-aging serum formulated with retinal, ginseng, bakuchiol, niacinamide, a vitamin C derivative and three peptides.

The official product information identifies wrinkles, pigmentation, uneven texture and troubled skin as its principal concerns, while highlighting anti-aging, brightening, pore and texture care as its key benefits.




What Is Retinal?

Retinal, also known as retinaldehyde, belongs to the vitamin A family. It requires one fewer conversion step than retinol before becoming retinoic acid in the skin, which is why it has attracted attention as an efficient ingredient for managing visible signs of aging.

Consistent retinal skincare can help improve the appearance of fine lines, rough texture and loss of firmness while supporting a smoother and more refined-looking complexion.

The product name “Retinal Liposome 2%” should not automatically be interpreted as 2% pure retinal. It is safer to understand the percentage as referring to the retinal liposome complex. Retinal is listed separately in the official ingredient list.


Retinal Care Designed with Liposome Technology

Retinal is sensitive to light and air and may cause dryness or irritation depending on individual skin tolerance. This formula pairs it with a liposomal delivery system designed to disperse the ingredient evenly across the skin.

Liposomes are lipid-based structures used in cosmetic formulas to encapsulate ingredients. They are often incorporated into products that require additional consideration for ingredient stability and skin application.

New retinal users should begin with a small amount once or twice a week in the evening rather than applying it every night immediately.







Antioxidant Conditioning with Black Ginseng

Black ginseng is produced through repeated processing of ginseng and is used in Korean cosmetics for antioxidant and skin-conditioning care.

While retinal focuses on visible fine lines and uneven texture, ginseng extract helps support a nourished, energized and healthy-looking complexion. Panax Ginseng Root Extract appears in the product’s official ingredient list.

The combination of retinal and black ginseng is particularly suitable for routines addressing dullness, rough texture and visible loss of elasticity.


Bakuchiol, Niacinamide and a Vitamin C Derivative

The formula includes several complementary ingredients alongside retinal and ginseng.

Bakuchiol is a plant-derived skincare ingredient commonly used to support smooth and firm-looking skin. In this serum, it complements the formula’s elasticity and texture-care focus.

Niacinamide helps care for dull and uneven-looking tone while supporting a brighter, more balanced complexion.

The official ingredient list also includes 3-O-Ethyl Ascorbic Acid, a stabilized vitamin C derivative used for brightening and antioxidant skin conditioning.


Three Peptides and Adenosine for Elasticity Care

The official formula lists adenosine together with sh-Oligopeptide-1, sh-Oligopeptide-2 and sh-Polypeptide-1.

Peptides are used in cosmetics to condition skin that appears dry or less resilient, helping maintain a smoother and firmer-looking complexion. Adenosine is widely used in Korean functional cosmetics for wrinkle care.

By combining retinal, peptides and adenosine, the serum offers a multi-focused approach to fine lines, texture and visible elasticity.


Moisturizing Support for a Retinal Routine

Adequate moisturization is important when using vitamin A skincare. The formula contains glycerin, betaine, macadamia seed oil, sunflower seed oil, tocopherol and cholesterol, along with other moisturizing and skin-conditioning ingredients.

Individual responses can vary, and some users may experience temporary dryness, tingling, flaking or redness. Adjust the amount and frequency according to the way your skin responds.





How to Use

Use the serum in the evening after cleansing and toning. Allow the skin to dry, then apply a small amount in a thin, even layer. Avoid the immediate eye and lip areas, broken skin and visibly irritated areas.

Begin once or twice a week. If the skin remains comfortable, gradually increase the frequency to every other evening or according to individual tolerance.

Follow with a gentle moisturizer. Apply a sufficient amount of broad-spectrum sunscreen the next morning and reapply when needed during outdoor activity.


Important Precautions

  • Do not layer it with another retinol, retinal or retinoid product in the same routine.

  • Avoid combining it with strong AHA, BHA, peeling products or abrasive scrubs on the same evening.

  • Patch-test a small amount along the jawline or inner arm before full application.

  • Discontinue use if persistent burning, redness or severe flaking occurs.

  • Consult a healthcare professional before use during pregnancy or breastfeeding or while receiving dermatological treatment.

  • Store away from direct light and heat and close the container securely after use.

  • Use sunscreen consistently during the daytime.


Recommended For

  • Visible fine lines and reduced firmness

  • Rough or uneven-looking skin texture

  • Dull tone and the appearance of lingering marks

  • Experienced retinol users interested in retinal skincare

  • Consumers looking for black ginseng and bakuchiol in one formula

  • Those seeking anti-aging, pore and texture care from one serum

  • Buyers sourcing trend-focused products for Korean cosmetics wholesale


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