INCI: Coix Lacryma-Jobi Ma-yuen Seed Extract
Skin conditioning and soothing botanical extract
Job's Tears Extract comes from Coix lacryma-jobi, an ancient grain native to Southeast Asia that's been used in traditional Korean and Chinese medicine for centuries. In K-beauty formulations, this botanical extract has gained recognition as a gentle yet effective skin conditioning agent that addresses multiple concerns without irritation. The extract is rich in coixenolide, a compound that demonstrates anti-inflammatory properties, along with vitamins B and E, which support skin barrier function and hydration. What makes Job's Tears particularly valuable in modern K-beauty is its ability to soothe reactive skin while simultaneously improving skin texture and clarity. With a comedogenic rating of 0/5, it's safe for all skin types, including acne-prone and sensitive complexions. You'll find it in 22 products on Seoul Sister, often featured in high-performing formulas like Beauty of Joseon's Hanbang Serum Discovery Kit (5.0/5) and Suisai's Beauty Clear Fizzy Powder Wash (5.0/5). Korean formulators appreciate this ingredient because it aligns with the hanbang (traditional herbal medicine) philosophy while delivering results that satisfy contemporary skincare standards. Unlike some botanical extracts that serve primarily as marketing ingredients, Job's Tears Extract brings genuine functional benefits, particularly in calming inflammation, reducing redness, and supporting the skin's natural moisture retention.
At a cellular level, Job's Tears Extract works through multiple pathways to improve skin health. The key bioactive compound, coixenolide, inhibits the production of pro-inflammatory cytokines (specifically TNF-alpha and IL-6), which are signaling molecules that trigger inflammation and redness. This makes it particularly effective for calming irritated or reactive skin. The extract also contains polysaccharides that form a protective film on the skin's surface, reducing transepidermal water loss and supporting barrier function. Additionally, Job's Tears is rich in fatty acids, including oleic and linoleic acid, which help reinforce the lipid matrix between skin cells, improving overall barrier integrity. The vitamin B complex within the extract supports cellular metabolism and energy production in keratinocytes (skin cells), promoting faster cell turnover and more efficient repair processes. Perhaps most interesting is its tyrosinase-inhibiting activity, which means it can help regulate melanin production, contributing to a more even skin tone over time. This multi-targeted approach explains why Job's Tears appears in everything from cleansers to serums across K-beauty lines.
Job's Tears Extract is excellent for oily skin because it's completely non-comedogenic and helps regulate sebum production without stripping moisture. Its anti-inflammatory properties can reduce the redness often associated with acne-prone skin. You'll find it in mattifying formulas like cleansers and toners that control shine while maintaining hydration.
For dry skin, Job's Tears provides gentle hydration support through its polysaccharide content, which helps prevent moisture loss. The fatty acids in the extract strengthen the skin barrier, which is often compromised in chronically dry complexions. It works particularly well in essence and serum formulations where it can deliver conditioning benefits without heaviness.
This extract is ideal for combination skin because it balances multiple needs without overcompensating in either direction. It hydrates dry areas while its sebum-regulating properties address oilier zones, particularly the T-zone. The lightweight nature of the extract means it won't cause congestion in oily areas or leave dry patches feeling neglected.
Sensitive skin benefits significantly from Job's Tears Extract due to its proven anti-inflammatory and soothing properties. Its ability to reduce cytokine production means less irritation and redness, even when skin is stressed. With a 4/5 safety rating and traditional use in calming formulations, it's a reliable choice for reactive complexions.
Even balanced skin types benefit from Job's Tears Extract as a preventative and maintenance ingredient. It supports healthy barrier function, provides antioxidant protection, and maintains skin clarity. Its gentle nature means it can be used daily in multiple products without risk of sensitization or disruption to skin's natural equilibrium.
Job's Tears, known as yulmu in Korea and yi yi ren in Chinese medicine, has been cultivated in Asia for over 4,000 years, originally valued as both food and medicine. In traditional Korean medicine, it was used to reduce inflammation, clear heat from the body, and promote healthy skin from within, often consumed as a tea or porridge. The seed's distinctive teardrop shape (hence the poetic English name) made it easily recognizable in herbal medicine markets throughout East Asia. Korean skincare brands began incorporating Job's Tears Extract into topical formulations in the early 2000s as the K-beauty industry started systematically researching traditional hanbang ingredients with modern scientific methods. This research confirmed what traditional practitioners had observed for centuries: the extract possessed genuine skin-calming and conditioning properties. Today, it's considered a heritage ingredient that bridges ancient wisdom with contemporary formulation science, appearing in both traditional hanbang brands like Beauty of Joseon and modern clean beauty lines seeking effective botanical alternatives.

Beauty Clear Fizzy Powder Wash
Suisai

Hi Amino All Cleanser
Dewytree

Hanbang Serum Discovery Kit
Beauty of Joseon

Only For Man All In One Essence
AHC

Radiance Cleansing Balm
Beauty of Joseon

Hi Amino All Cleanser 2-for-1 Set
Dewytree

The Perfect Cleansing Tissue Plus
Ariul

Fresh Moisture Lip & Eye Remover
Illiyoon

Stress Relieving Purefull Cleansing Tissue Plus
Ariul

Beauty Clear Green Powder Wash
Suisai

Clean & Glow Green Barley First Essence
Anua

Make Up Sun Cream
Holika Holika
Yuri, our AI beauty advisor, can analyze how Job's Tears Extract works with your specific skin type, routine, and concerns.
Try Seoul Sister Pro